Twenty Cents 2009 Decimal Pattern, Coin from Australia - detailed information

Twenty Cents 2009 Decimal Pattern, Coin from Australia
CoinTwenty Cents 2009 Decimal Pattern

The Australian 20 cent coin was first introduced with decimalisation on 14 February 1966 when it replaced the pre-decimal Australian florin, to which it is equal in size and mass. The original reverse design by Stuart Devlin has not been changed since its introduction.

The denomination is occasionally used by both the Royal Australian Mint and the Perth Mint to issue collector coins, which are legal tender in Australia - such as this one.

In May 2009, the Perth mint released a proof coin set based on Andor Mészáros 1966 decimal currency designs.

The tribute set contains five coins which reproduce the reverse designs submitted by Andor Mészáros for the low-denomination coins, 20, 10, 5, 2 and 1 cent, in Australia's first issue of decimal currency in 1966. The obverse of the coins was designed by Ian Rank-Broadley. The coins in this set are proof quality silver. They were created using plasters supplied by the Mészáros family.

Mészáros was a prominent sculptor and medal artist based in Melbourne. As part of the project to introduce decimal currency to Australia, the Advisory Panel on Coin Design commissioned six artists, including Mészáros, to submit reverse designs for the new coins. Andor's designs included Australian flora (wattle and waratah) and fauna (platypus, yabbie, kookaburra, snake and black swan). The successful artist was Stuart Devlin, a Geelong-born gold and silversmith, later based in England.

This set highlights the artistic endeavours involved in the development of decimal currency, which was a major event in Australia's numismatic history.

Mass: 12.86 g. Diameter: 28.6 mm. Composition: 0.999 silver (0.413 oz. ASW).

MintPerth Mint Mint MarkNo mint mark Total Mintage7,500
Obverse

Crowned mature head of Queen Elizabeth II facing right (effigy known as the "Fourth Portrait"). The Queen wears the "Girls of Great Britain and Ireland" diamond tiara, a wedding gift from Queen Mary (Her Majesty's grandmother) in 1947 - which she also has on the Machin and the Gottwald portraits.

In tiny letters below the head, the artist's initials IRB (for Ian Rank-Broadley).

Around the effigy is the monarch's legend and the date: ELIZABETH II AUSTRALIA 2009.

The effigy of the Queen is smaller than on regular coins.

Obverse Inscription ELIZABETH II AUSTRALIA 2009
Reverse

Black swan in flight. The numeral 20 below. Artist's initials AM and symbol in lower right.

Reverse Inscription 20
EdgeMilledEdge InscriptionNone
Twenty Cents 2009 Decimal Pattern: References to Information Used
SourceEditionAboutLinkNotes
Museums Victoria Collections 2016 Coin description link
Perth Mint 2016 Mint link
Perth Mint 2016 Mintage link
All (25) Coins of Country: Australia, Type: Twenty Cents (NCLT)
Coin NameMintageEffigyLegend
Twenty Cents 1998 (Silver, 1910 Florin) 15,000 Queen Elizabeth II - Fourth Portrait ELIZABETH II AUSTRALIA 1998 · TWENTY CENTS ·
Twenty Cents 1998 (Silver, Canberra Florin) 15,000 Queen Elizabeth II - Fourth Portrait ELIZABETH II AUSTRALIA 1998 · TWENTY CENTS ·
Twenty Cents 1998 (Silver, Melbourne Florin) 15,000 Queen Elizabeth II - Fourth Portrait ELIZABETH II AUSTRALIA 1998 · TWENTY CENTS ·
Twenty Cents 1998 (Silver, 1938 Florin) 15,000 Queen Elizabeth II - Fourth Portrait ELIZABETH II AUSTRALIA 1998 · TWENTY CENTS ·
Twenty Cents 1998 (Silver, Federation Jubilee Florin) 15,000 Queen Elizabeth II - Fourth Portrait ELIZABETH II AUSTRALIA 1998 · TWENTY CENTS ·
Twenty Cents 1998 (Silver, Royal Visit Florin) 15,000 Queen Elizabeth II - Fourth Portrait ELIZABETH II AUSTRALIA 1998 · TWENTY CENTS ·
Twenty Cents 1998 (Silver, United Nations) 15,000 Queen Elizabeth II - Fourth Portrait ELIZABETH II AUSTRALIA 1998
Twenty Cents 1998 (Silver, Fourth Portrait) 15,000 Queen Elizabeth II - Fourth Portrait ELIZABETH II AUSTRALIA 1998
Twenty Cents 1999 (Silver, Threepence) 15,000 Queen Elizabeth II - Fourth Portrait ELIZABETH II AUSTRALIA 1999 · TWENTY CENTS ·
Twenty Cents 2000 (Silver, King Edward VII) 10,412 Queen Elizabeth II - Fourth Portrait ELIZABETH II AUSTRALIA 2000 · TWENTY CENTS ·
Twenty Cents 2000 (Silver, King George V) 10,412 Queen Elizabeth II - Fourth Portrait ELIZABETH II AUSTRALIA 2000 · TWENTY CENTS ·
Twenty Cents 2000 (Silver, Queen Elizabeth II) 10,412 Queen Elizabeth II - Fourth Portrait ELIZABETH II AUSTRALIA 2000 · TWENTY CENTS ·
Twenty Cents 2006 (Silver, Second Portrait) 5,829 Queen Elizabeth II - Second Portrait ELIZABETH II AUSTRALIA 2006
Twenty Cents 2007 Year of the Life Saver (NCLT) unknown Queen Elizabeth II - Fourth Portrait ELIZABETH II AUSTRALIA 2007
Twenty Cents 2008 Year of Planet Earth (NCLT) unknown Queen Elizabeth II - Fourth Portrait ELIZABETH II AUSTRALIA 2008
Twenty Cents 2009 Year of Astronomy (NCLT) unknown Queen Elizabeth II - Fourth Portrait ELIZABETH II AUSTRALIA 2009
Twenty Cents 2009 Australian Service Nurses (NCLT) unknown Queen Elizabeth II - Fourth Portrait ELIZABETH II AUSTRALIA 2009
Twenty Cents 2009 Decimal Pattern 7,500 Queen Elizabeth II - Fourth Portrait ELIZABETH II AUSTRALIA 2009
Twenty Cents 2010 (Gold, Gottwald Portrait) 500 Queen Elizabeth - Portrait by Gottwald ELIZABETH II AUSTRALIA 2010
Twenty Cents 2010 Lost Soldiers of Fromelles (NCLT) unknown Queen Elizabeth II - Fourth Portrait ELIZABETH II AUSTRALIA 2010
Twenty Cents 2010 Burke and Wills (NCLT) unknown Queen Elizabeth II - Fourth Portrait ELIZABETH II AUSTRALIA 2010
Twenty Cents 2011 Ashes (NCLT) unknown Queen Elizabeth II - Fourth Portrait ELIZABETH II AUSTRALIA 2011
Twenty Cents 2011 War Historians (NCLT) unknown Queen Elizabeth II - Fourth Portrait ELIZABETH II AUSTRALIA 2011
Twenty Cents 2011 Riding on the Sheep's Back (NCLT) unknown Queen Elizabeth II - Fourth Portrait ELIZABETH II AUSTRALIA 2011
Twenty Cents 2019 (Third Portrait) 20,000 Queen Elizabeth II - Third Portrait ELIZABETH II AUSTRALIA 2019
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Twenty Cents 2009 Decimal Pattern: Details
CountryAustralia
CurrencyAustralian Dollar
Coin TypeTwenty Cents (NCLT)
Issued2009
MonarchQueen Elizabeth II
EffigyQueen Elizabeth II - Fourth Portrait, by Ian Rank-Broadley
Face Value20 (x Cent)
Total Mintage7,500
CurrentYes
MaterialCuproNickel
DesignerAndor Mészáros
TechnologyMilled (machine-made)
ShapeRound
OrientationMedal Alignment (Axis 0)
Size28.650 mm
Thickness2.520 mm
Mass11.300 g
OCC IDPNXY-DENZ-CYNM-EVRB
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Twenty Cents 2009 Decimal Pattern: Catalogue Reference IDs
SourceReference ID
Krause, Standard Catalog of World CoinsAustralia KM# 1253