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Detailed information about Coin: Twenty Cents 2016 Changeover from Australia

Coin: Twenty Cents 2016 Changeover

On the 50th anniversary of Australian decimal currency, the Royal Australian Mint’s released a special series of coins commemorating the earlier, pre-decimal currency of the country. The modern circulating designs were joined by depictions of Australia's pre decimal coins on the obverse.

The story of Australian currency runs parallel with the nation's history of progression. As early European settlers improvised a monetary system, international coins, promissory notes and the infamous rum trade were all visible in the early 1800s. The first coins "minted" in Australia were created by removing a piece from the centre of a Spanish dollar, forming two separate coins known as the Holey Dollar and Dump.

The gold rush of the mid-19th Century resulted in many unofficial tokens and ingots until the Sydney Mint opened in 1855, producing sovereigns which were largely identical to their British counterparts. This English influence remained strong and the new national currency of 1910 inevitably emulated English pounds, shillings and pence.

On 14 February 1966, the changeover to decimal currency transformed the nation, as Australia joined a worldwide currency trend. The uniquely Australian images of the decimal coins are still cherished on their 50th anniversary.

As a tribute to Australia's coin history, each coin of the Changeover series features depictions of coin designs from today and years past. The twenty cent coin shows a Coat of Arms design which was shared by all of the earliest silver pre-decimal coins (threepence, sixpence, shilling and florin).

CountryAustralia CurrencyAustralian Dollar
Face value20 (x Cent) TypeTwenty Cents Circulating Commemorative
Year2016 CurrentYes
NameMint markMintage
Royal Australian Mint No mint mark unknown
MaterialCuproNickel DesignerStuart Devlin
MonarchQueen Elizabeth II EffigyPortrait by Ian Rank-Broadley (Fourth Portrait)
Production technologyMilled (machine-made) ShapeRound
Size (mm)28.6500 Thickness (mm)2.5200
Mass (g)11.3000

Crowned head of Queen Elizabeth II facing right (effigy known as the "Fourth portrait"). In tiny letters below head the artist's initials IRB (for Ian Rank-Broadley). The effigy is much smaller than on regular coins.

Below the effigy, a stylised depiction of a coin carrying the original Coat of Arms of the Commonwealth of Australia (it featured on the earliest silver pre-decimal coins). Within a circle, a simple shield enclosing a cross of Saint George on which are five six-pointed stars, around the outside of which are six small escutcheons, i.e., small shields. The shield is supported by a kangaroo and an emu standing on a grassy mound. Above the shield a crest, the seven-pointed star of Federation on a wreath and on a ribbon at the base the motto ADVANCE AUSTRALIA is inscribed; the two arrow heads under the Coat of Arms flanked the date on pre-decimal coins; however, a denomination and date are not depicted here.



A platypus swimming. The denomination numeral 20 [cents] is above the head of the mammal and the artist's initials SD are within the swirl of water around its right forepaw.

Reverse inscription20
EdgeMilled Edge inscriptionNone
Twenty Cents 2016 Changeover: Known varieties
Proof unknown
Twenty Cents 2016 Changeover: References to Information Used
Royal Australian Mint 2016 Mint link
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Twenty Cents 2016 Changeover: Some useful external links
Mint makes decimal currency history with the flip of a coin | Royal Australian Mint
The biggest New Zealand numismatic event of 2017 – the Numismatic Society of Auckland and Royal Numismatic Society of New Zealand DECIMAL 50 conference
The biggest New Zealand numismatic event of 2017 – the Numismatic Society of Auckland and Royal Numismatic Society of New Zealand DECIMAL 50 conference
List of all (70) coins of type: Australia / Twenty Cents
Twenty Cents 1966 Twenty Cents 1967 Twenty Cents 1968 Twenty Cents 1969 Twenty Cents 1970 Twenty Cents 1971
Twenty Cents 1972 Twenty Cents 1973 Twenty Cents 1974 Twenty Cents 1975 Twenty Cents 1976 Twenty Cents 1977
Twenty Cents 1978 Twenty Cents 1979 Twenty Cents 1980 Twenty Cents 1981 Twenty Cents 1982 Twenty Cents 1983
Twenty Cents 1984 Twenty Cents 1985 Twenty Cents 1986 (mint sets only) Twenty Cents 1987 (mint sets only) Twenty Cents 1988 (mint sets only) Twenty Cents 1989 (mint sets only)
Twenty Cents 1990 (mint sets only) Twenty Cents 1991 (mint sets only) Twenty Cents 1992 (mint sets only) Twenty Cents 1993 (mint sets only) Twenty Cents 1994 Twenty Cents 1995 Platypus (mint sets only)
Twenty Cents 1995 United Nations Twenty Cents 1996 Twenty Cents 1997 Twenty Cents 1998 Twenty Cents 1999 Twenty Cents 2000
Twenty Cents 2001 Twenty Cents 2001 Centenary of Federation - Australian Capital Territory Twenty Cents 2001 Centenary of Federation - New South Wales Twenty Cents 2001 - Centenary of Federation - Norfolk Island Twenty Cents 2001 Centenary of Federation - Northern Territory Twenty Cents 2001 Centenary of Federation - Queensland
Twenty Cents 2001 Centenary of Federation - South Australia Twenty cents 2001 Centenary of Federation - Tasmania Twenty Cents 2001 Centenary of Federation - Victoria Twenty Cents 2001 Centenary of Federation - Western Australia Twenty Cents 2001 Donald Bradman Twenty Cents 2002
Twenty Cents 2003 Volunteers Twenty Cents 2004 Twenty Cents 2005 Twenty Cents 2005 60th Anniversary of the End of WW2 Twenty Cents 2006 Twenty Cents 2007
Twenty Cents 2008 Twenty Cents 2009 Twenty Cents 2009 Decimal Pattern Twenty Cents 2010 Twenty cents 2010 ATO Twenty Cents 2011
Twenty Cents 2011 International Women's Day Twenty Cents 2011 Royal Wedding Twenty Cents 2011 International Year of Volunteers Twenty Cents 2012 Twenty Cents 2013 Twenty Cents 2013 Centenary of Canberra
Twenty Cents 2014 Twenty Cents 2015 Twenty Cents 2016 Twenty Cents 2016 Changeover