In 2016, the Royal Australian Mint marked a major milestone in everyday Australian life: fifty years since the nation abandoned pounds, shillings and pence and adopted dollars and cents. Its commemorative six-coin set brought together the familiar circulating coins of 2016 with special designs that looked back to the pre-decimal coinage they had replaced. The result was both a collectable and a compact history lesson in Australian money.

The set is usually known as the 2016 Mint Set – 50th Anniversary of Australian Decimal Currency. It contained the six denominations then in regular circulation: 5 cents, 10 cents, 20 cents, 50 cents, $1 and $2. Rather than changing the familiar reverse designs, the Mint placed commemorative imagery on the obverse—the side normally occupied by the Queen’s portrait—creating a distinctive “then and now” tribute.

1. Why Australia Changed

Before 14 February 1966, Australia used the British-style monetary system: 12 pence made a shilling, and 20 shillings made a pound. A pound therefore contained 240 pence, a calculation that could be awkward for shoppers, businesses, schools and banks alike.

Decimal currency replaced that structure with a much simpler system based on tens and hundreds. One dollar equalled 100 cents, making addition, subtraction, pricing and accounting far more straightforward. The change was not merely cosmetic; it aligned Australia with a modern, internationally familiar way of handling money.

The idea had been discussed for decades. Australia federated in 1901, and proposals for a national decimal currency soon followed, but successive governments hesitated while Britain retained its traditional system. By the late 1950s, however, the case for reform had become compelling, and the Australian Government established a Decimal Currency Committee in 1959 to develop a practical plan.

That work led to the Currency Act becoming law in 1963. The Royal Australian Mint opened in Canberra in February 1965, and on 14 February 1966 Australia converted to decimal currency. The new system introduced the dollar and cent, replacing the pound, shilling, florin, crown, shilling, sixpence, threepence, penny and halfpenny.

2. The Changeover in Daily Life

The switch was an enormous logistical exercise. Banks, retailers, schools, public transport operators, newspapers and households all had to learn a new vocabulary of dollars and cents. Old coins remained usable during a transition period, while new coins entered circulation in large quantities.

Public reaction was mixed at first. Some people welcomed the simplicity of decimal money, while others missed the familiar names and values of the old system. Terms such as “two bob” for two shillings, or “a quid” for a pound, did not disappear overnight from Australian speech. Yet the new coins quickly became part of ordinary life.

The original decimal coins also carried a strong sense of national identity. Stuart Devlin’s animal designs gave Australia a distinctive circulating coinage: the echidna on the 5-cent piece, the lyrebird on the 10-cent piece, the platypus on the 20-cent piece, the Coat of Arms on the 50-cent piece, kangaroos on the $1 coin and an Aboriginal elder on the $2 coin. Those reverses remained central to the 2016 anniversary set.

3. What the 2016 Set Contained

The standard 2016 commemorative set included six uncirculated coins:

The set therefore did not redesign the “tails” side of any coin. Instead, it used the obverse as the commemorative canvas, placing a reduced portrait of Queen Elizabeth II beside a recognised image from Australia’s pre-decimal past.

This approach was clever because it preserved continuity. Collectors and members of the public could immediately recognise each modern denomination, while the added imagery explained the historical link between the decimal coin and the coin it had effectively succeeded.

4. The Special Obverse Designs

4.1 Design Details: How the Anniversary was Expressed

The 2016 anniversary coins are unusual because their commemorative message appears on the obverse, or “heads” side, rather than on the reverse, or “tails” side. Each coin retained its familiar decimal-era reverse, while its obverse combined a reduced Queen Elizabeth II portrait, a miniature pre-decimal design and an anniversary inscription.

On a normal Australian coin, the obverse carries the monarch’s portrait and the inscriptions “ELIZABETH II” and “AUSTRALIA,” together with the year and the designer’s initials, “IRB.” Those initials identify Ian Rank-Broadley, the British sculptor whose portrait of Queen Elizabeth II appeared on Australian coins from 1999.

For the anniversary issue, the Mint retained Rank-Broadley’s portrait but reduced it substantially. It was placed above a miniature reproduction of a design drawn from Australia’s pre-decimal coinage, with the words “FIFTY YEARS” incorporated into the surrounding legend.

That layout gave each coin two layers of meaning. The small portrait maintained the coin’s status as current Australian legal tender, while the older image beneath it explained what the anniversary was celebrating.

4.2 The Borrowed Pre-decimal Images

The Mint did not create entirely new historical scenes for the obverses. Instead, it selected well-known reverse designs from earlier Australian coins and reproduced them in miniature. This made the connection between the old and new systems immediate and easy to recognise.

The historical references are precise rather than general. The 5-cent coin’s kangaroo is the version that faced to the viewer’s left on the penny, distinguishing it from the kangaroo on the halfpenny, which faced the opposite way.

The 10-cent coin’s wheat design came from the later threepence. The 20-cent coin used the Australian Coat of Arms that had appeared on several pre-decimal silver denominations, including the sixpence, shilling and florin at different periods.

The 50-cent coin borrowed the merino ram from the shilling, while the $1 coin used the crowned Coat of Arms from the florin. The $2 coin’s crown came from the 1937 and 1938 crown, a large commemorative coin rather than a regularly circulating pre-decimal denomination.

4.3 Why These Images Were Chosen

Each selected design had a strong place in Australian memory. The kangaroo, wheat sheaf, Coat of Arms, merino ram and crowned arms were not obscure motifs; they were images many Australians had handled, saved, spent or found in jars of old coins.

They also reflect central themes in Australia’s economic and cultural history. The kangaroo represents the country’s distinctive fauna; wheat and the merino ram point to agriculture and export; the Coat of Arms represents the Commonwealth; and the crown reflects Australia’s constitutional and monarchical connections.

By reusing these designs, the Royal Australian Mint avoided presenting decimal currency as a complete break with the past. The 2016 coins instead presented the changeover as a continuation: new money, new denominations and a simpler system, but built on familiar national symbols.

4.4 The Unchanged Reverses

The reverse designs were deliberately left unchanged. This was essential to the set’s concept: the familiar decimal designs represented the “now,” while the obverse imagery represented the “then.”

The 5-cent reverse shows an echidna and has remained unchanged since decimal currency began in 1966. The Royal Australian Mint confirms that the 2016 issue altered only the obverse, leaving the echidna design intact.

The 10-cent coin carries the lyrebird, the 20-cent coin the platypus, and the 50-cent coin the Australian Coat of Arms. These designs have become so closely associated with their denominations that changing them would have weakened the anniversary message rather than strengthened it.

The $1 coin carries Stuart Devlin’s five-kangaroo design, officially described as the “Mob of ’Roos.” Devlin was commissioned to design the new decimal coinage, and his animal-themed reverses gave Australia’s first decimal coins a distinctly Australian visual language.

The $2 coin carries the Aboriginal elder design by Horst Hahne, based on a drawing by Ainslie Roberts. It has appeared on the denomination since the $2 coin was introduced in 1988.

4.5 Shape, Edges and Recognition

The 5-cent, 10-cent, 20-cent, $1 and $2 coins are round. The 50-cent coin is the exception: it has twelve flat sides, making it a dodecagonal coin. That distinctive shape helps people identify it by touch as well as sight.

The 50-cent coin’s shape also has a practical history. The original 1966 50-cent coin was round and contained 80 per cent silver, but its similarity to the 20-cent coin contributed to confusion in circulation. Australia later replaced it with the twelve-sided copper-nickel version that remains familiar today.

The anniversary 50-cent coin therefore carried an additional historical resonance. Its obverse looked back to the shilling, while its distinctive twelve-sided form represented one of the practical lessons learned during the early years of decimal currency.

4.6 The Role of the Portrait

The reduced portrait of Queen Elizabeth II was more than a space-saving device. It allowed the Mint to preserve the formal authority of the coin while creating room for the historical design and anniversary wording.

The portrait’s small scale also creates an immediate visual contrast. On a standard coin, the monarch’s effigy dominates the obverse; on the 2016 anniversary coins, it becomes a compact element above the larger historical motif.

This arrangement reinforces the commemorative idea. The coin remains unmistakably Australian and current, but its design invites the holder to look beneath the present-day portrait and consider the coinage that came before it.

4.7 A Design that Rewards Close Looking

The 2016 anniversary coins reward attention to detail. At first glance, they may appear to be ordinary circulating coins with an added inscription. On closer inspection, the miniature pre-decimal designs reveal a carefully constructed connection between two monetary systems.

The set is particularly effective because it does not require specialist knowledge to appreciate. A shopper, student or casual collector can recognise the kangaroo, wheat, Coat of Arms, ram, florin arms or crown, while a more experienced numismatist can trace each image to its original denomination and period.

That balance between accessibility and historical depth is why the 2016 50th Anniversary of Decimal Currency set remains one of the most coherent modern Australian commemorative issues. It does not merely mark an anniversary; it shows, coin by coin, how Australia’s present money grew out of its past.

4.8 5 Cents: The Kangaroo

The 5-cent coin retained its echidna reverse but carried a kangaroo motif on the obverse. The kangaroo was one of the most recognisable images from Australia’s pre-decimal copper coins, especially the penny and halfpenny.

For many Australians, the kangaroo penny was a defining object of childhood and household life. Its appearance on the 2016 5-cent coin connected the newest small-value coin with one of the country’s most familiar older designs.

4.9 10 Cents: The Wheat Sheaf

The 10-cent coin’s special obverse featured the wheat sheaf associated with the threepence. The threepence, often called a “three-penny bit,” had carried this agricultural image in its later pre-decimal form.

The choice suited the denomination well. Wheat was central to Australian rural life and export trade, and the design gave the modern 10-cent coin a direct visual link to a coin that had once passed through millions of Australian hands.

4.10 20 Cents: The Coat of Arms

The 20-cent coin carried the Australian Coat of Arms from the sixpence. The sixpence was a widely used silver-coloured pre-decimal coin, and its Coat of Arms design was familiar to generations of Australians.

By placing that emblem on the 20-cent obverse, the Mint linked the modern coin to the pre-decimal coin of broadly comparable everyday importance. It also reinforced the idea that decimal currency was not a break with Australian identity, but a reorganisation of it.

4.11 50 Cents: The Shilling Ram

The 50-cent coin’s commemorative obverse included the ram’s head from the shilling. The shilling had been one of the most important coins in the old system, and its ram design remains strongly associated with Australian pre-decimal currency.

This was a particularly fitting pairing. The 50-cent piece was the largest and most distinctive coin in the 2016 set, while the shilling had been a substantial and familiar coin in the former system. The design created a clear bridge between the two eras.

4.12 $1: The Florin’s Coat of Arms

The one-dollar coin featured the Coat of Arms from the florin. In the pre-decimal system, the florin was worth two shillings, or one-tenth of a pound.

The decimal dollar was designed to replace the value previously carried by ten shillings, but the florin remained an important symbolic predecessor. Its Coat of Arms on the $1 coin gave the anniversary set a direct connection to one of the most recognisable coins of the old currency.

4.13 $2: The Crown

The $2 coin displayed a crown taken from the former Australian crown. The crown was a large commemorative coin issued in 1937 and 1938 to mark the coronation of King George VI; it was not a long-lived circulating denomination.

Its inclusion was nevertheless appropriate. The crown represented the grandeur and ceremonial side of Australia’s earlier coinage, and its appearance on the $2 coin gave the set a broader historical range than the coins people used every day before 1966.

5. Metal, Finish and Legal Tender

The coins in the standard 2016 set were struck to uncirculated quality. In collecting language, “uncirculated” means a coin produced with care for collectors and handled to avoid the wear associated with money in daily use; it does not necessarily mean the coin has a mirror-like proof surface.

The 5-cent, 10-cent, 20-cent and 50-cent coins were made from copper-nickel alloy, the silver-coloured metal combination long used for Australian circulating coins. The $1 and $2 coins used aluminium bronze, giving them their familiar gold colour. Exact weights, diameters and alloy percentages can vary by denomination, so collectors should consult the Royal Australian Mint’s official product records for precise specifications.

Each coin was Australian legal tender. “Legal tender” means that, within legal limits, the coin can be used to settle a debt or make a payment in Australia. In practice, these coins were more than tokens: they were genuine circulating money, and many examples entered everyday use.

The 50-cent coin in the set was the familiar twelve-sided, or dodecagonal, version introduced in 1969. That shape had been adopted after the original round 50-cent coin proved too easily confused with the 20-cent coin; the later dodecagonal format became one of Australia’s most distinctive coin designs.

6. A First for 5 and 10 Cents

One of the most significant features of the 2016 programme was that it placed special commemorative designs on the 5-cent and 10-cent coins. The Royal Australian Mint described this as the first time unique designs had been applied to those two denominations.

That makes the set more important than a routine annual issue. It was not simply a collector’s version of existing coins; it changed the appearance of coins that most Australians had previously seen only with a standard obverse.

The commemorative versions were also released into circulation, not confined to collector packaging. Millions entered general use, meaning that a person sorting change in 2016 or later could still encounter a small piece of monetary history.

7. Mintage and Availability

The 2016 Mint Set had a reported mintage of 62,718 sets. “Mintage” means the number of a particular coin or set produced for sale or release; lower mintages can sometimes make an item scarcer, although condition, demand and packaging also affect collector value.

Because the individual commemorative coins were also released for circulation, the set’s scarcity rests chiefly on its official packaging and its complete, matched group of six coins. Circulating examples may be common, but an intact original set preserves the anniversary presentation as the Mint intended it.

The $1 coin was reported to have had a comparatively limited circulation release of about 359,000 pieces, making it a more challenging denomination to find in change than the other five. That figure relates to the circulating release rather than the Mint Set itself, and collectors should treat such numbers as historical production information rather than a guarantee of current market value.

8. Proof and Precious-metal Versions

The anniversary theme also appeared in other Royal Australian Mint products beyond the standard six-coin uncirculated set. A proof version presented the same commemorative concept with specially prepared coin surfaces, while precious-metal versions included the former 1-cent and 2-cent denominations and a round 50-cent coin—denominations that no longer circulated by 2016.

A proof finish is a collector finish in which the raised design is usually highly polished and the background has a contrasting, mirror-like surface. It is produced using greater care and specialised striking methods than ordinary circulating coins. The standard 2016 Mint Set, however, should not be confused with a proof set: its coins were uncirculated rather than proof.

This distinction matters to collectors. An uncirculated set captures the anniversary design in the form closest to everyday money, while proof and precious-metal editions present the same historical theme in a more formal, display-oriented format.

9. Why the Designs Matter

The 2016 set worked because it did not treat history as something separate from daily life. It placed old imagery directly onto the coins Australians still used, allowing the past and present to share the same small metal surface.

The pre-decimal designs were not chosen at random. The kangaroo, wheat sheaf, Coat of Arms, ram, florin arms and crown each represented a recognisable part of the former currency. Together, they formed a visual family tree: the decimal coins of 1966 were descendants of the coins that had come before them.

The addition of “FIFTY YEARS” to the obverse legend made the purpose explicit. It told anyone examining the coin that this was not merely a variant, but a deliberate commemoration of a national monetary anniversary.

10. A Collector’s Perspective

For collectors, the 2016 set is attractive for several reasons. It is complete, affordable relative to many precious-metal issues, and closely tied to a clearly defined historical event. It also offers an accessible entry point for someone beginning to collect Australian decimal coins.

The set is especially appealing to collectors who remember the changeover, but it can also introduce younger Australians to a system that now seems distant. Holding a 2016 20-cent coin beside an image of the sixpence, for example, makes the relationship between old and new currency tangible.

Condition is important. Collectors generally look for sharp details, clean surfaces and original packaging. Because many of the individual coins circulated, an untouched set with its official Royal Australian Mint presentation can be more desirable than a group of coins assembled separately.

11. A Lasting Record

The 2016 50th Anniversary of Decimal Currency set is more than a group of six coins. It records the moment Australia chose a simpler way of counting money, while honouring the designs and symbols that had come before.

Fifty years after the changeover, the Mint used the country’s circulating coinage to tell that story. The set reminds Australians that decimal currency was not just a technical reform: it changed how people shopped, saved, taught mathematics and understood value.

For collectors, it remains a key modern Australian issue because it combines circulating relevance, distinctive commemorative obverses and a direct link to pre-decimal history. For anyone interested in Australia’s monetary past, it is a small but complete reminder of how a nation’s everyday money can carry its history forward.

12. Public Reception

The 2016 anniversary issue reached a broad audience because it was not confined to collector packaging. The Royal Australian Mint released the commemorative designs into circulation, so people could encounter them in change, at banks and through specially offered rolls or packs of coins.

The Mint also made the anniversary feel like a public event rather than simply a product launch. In February 2016, it opened its Canberra factory to visitors, and about 10,000 people attended the open day during the anniversary period. Visitors could see coin production, meet Mint staff and view material from the National Coin Collection.

The Mint’s public messaging emphasised memory and family history. Its promotional material invited people to share stories of “The Changeover” and to keep the coins as something that could be treasured for another fifty years. That language connected the issue directly with Australians who remembered 1966, as well as with younger people learning about the country’s monetary past.

12.1 A Practical Public Offer

The Mint supported the release with accessible ways to obtain the coins. From 11 February 2016, it offered packs of twenty 50-cent anniversary coins at face value—$10—plus postage, with one pack permitted per transaction.

Each purchase also included a free circulating coin folder, giving collectors a simple way to assemble all six commemorative denominations during the year. This was a deliberate attempt to turn a commemorative release into an ongoing collecting activity rather than a one-off purchase.

The 50-cent coin was the first denomination distributed through banks, with the other coins released as demand developed. That staged approach reflected the practical reality of circulating coinage: banks and businesses needed supplies as they became available, rather than receiving every denomination at once.

12.2 Public Interest in a Changing Currency

Public interest in the anniversary coincided with a wider discussion about the future of cash. At the time, the Mint’s chief executive suggested that demand for 5-cent coins had fallen sharply over the preceding five years and that the denomination might eventually be phased out.

That context gave the anniversary a particular relevance. Australians were marking fifty years of decimal currency just as electronic payments, contactless transactions and declining demand for low-value coins were changing the way people used money.

The commemorative coins therefore arrived at an interesting moment. They honoured a major reform in Australia’s monetary history while also serving as a reminder that the currency system itself continued to evolve.

12.3 Collector Demand

Among collectors, the 2016 set attracted attention because it was a genuine first. It was the first Royal Australian Mint uncirculated year set in which every coin carried a unique commemorative obverse design.

That distinction matters because Australian year sets often contain standard circulating coins with a conventional obverse. In 2016, however, all six coins—the 5-cent, 10-cent, 20-cent, 50-cent, $1 and $2—were deliberately redesigned for the anniversary.

The Mint initially indicated that no more than 100,000 uncirculated sets would be released. The final reported mintage for the standard Mint Set was 62,718, well below that announced ceiling.

For collectors, that combination of a major anniversary, distinctive designs and a relatively modest final mintage gave the set a clear reason to be collected. It was not merely a routine annual issue with a commemorative label.

12.4 The Proof Set’s Appeal

The proof version of the anniversary set also attracted collector interest. The Royal Australian Mint capped the 2016 Decimal Currency proof set at no more than 50,000 examples, a comparatively small release for such a prominent national anniversary.

A proof set uses specially prepared coin blanks and dies to create a more refined finish than ordinary circulating coins. The raised design is typically polished, while the background has a contrasting mirror-like surface.

Because the proof set included the same six commemorative obverse designs, it appealed to collectors who wanted a more formal presentation of the anniversary theme. Dealers have reported renewed interest in the proof set in recent years, although market interest can rise and fall with broader trends in Australian modern coin collecting.

12.5 What Collectors Valued

Collector demand for the 2016 issue has generally rested on four features:

• Historical importance: The set marks fifty years since one of Australia’s most significant currency reforms.

• Complete commemorative treatment: Every coin in the six-coin set received a special obverse, rather than only one or two selected denominations.

• Circulating relevance: The coins were real legal-tender issues, not purely non-circulating collector tokens.

• Limited official sets: The uncirculated set’s final mintage of 62,718 and the proof set’s cap of 50,000 gave the packaged versions a defined level of scarcity.

The individual coins also developed their own followings. The $1 coin, in particular, was released in a comparatively small circulating quantity of about 359,000 pieces, making it a more difficult denomination to find in change than the other five.

12.6 Market Performance

Collector demand does not always translate directly into high resale prices, especially for modern coins released in substantial numbers. The individual circulating anniversary coins can often be found for modest sums, because many entered everyday use and were saved by the public.

The original Mint Set, however, has generally commanded a premium over face value. Dealer listings have offered complete uncirculated sets at around $125, reflecting the appeal of an intact, officially packaged group of all six anniversary coins.

That price should not be treated as a fixed market value. Coin prices depend on condition, packaging, dealer stock, demand at the time of sale and whether the set is uncertified or professionally graded.

12.7 A Lasting Collector Following

The 2016 set has endured because it combines accessibility with genuine historical substance. A new collector can understand it quickly: six familiar coins, six older designs, one clear anniversary.

More experienced collectors value the issue for its place in Australian decimal-coin history. It was the first uncirculated year set to give every denomination a unique obverse, and it commemorated the fiftieth anniversary of the changeover that created the coinage Australians still use today.

For many collectors, the set also carries personal meaning. It can represent a parent or grandparent’s memory of 1966, a childhood encounter with old pounds, shillings and pence, or simply the satisfaction of holding a complete record of a major national anniversary.

13. Conclusion: Why the Anniversary Matters

The 2016 Royal Australian Mint 50th Anniversary of Decimal Currency set is significant because it marks the fiftieth anniversary of a reform that reshaped everyday Australian life. On 14 February 1966, Australia replaced pounds, shillings and pence with dollars and cents, creating a simpler decimal system that became part of daily commerce, education and household finance.

The set matters because it does more than commemorate a date. By placing familiar pre-decimal images on the obverses of all six circulating coins, it visually connects the money Australians used in 2016 with the coinage that preceded it. The kangaroo, wheat sheaf, Coat of Arms, ram, florin arms and crown turn each coin into a small bridge between two monetary eras.

It is also important as a collecting milestone. The 2016 issue was the first Royal Australian Mint uncirculated year set in which every denomination received a unique commemorative obverse, giving the set a clear place in the history of Australian decimal coinage.

For collectors, the set offers an accessible and historically meaningful addition to an Australian collection. Its relatively limited Mint Set mintage of 62,718, its proof counterpart and its circulating release give it several ways to be collected, from an intact official set to individual coins found in change.

For the wider public, the set is a reminder that money carries history. Fifty years after the changeover, the 2016 coins invited Australians to look at familiar currency with fresh attention and to recognise the moment when the nation adopted the dollars and cents still used today.

14. Videos

Updated: 14 NOVEMBER 2026

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