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Detailed information about Coin: Twenty Cents 1978 from Australia

Coin: Twenty Cents 1978
Description

CountryAustralia CurrencyAustralian Dollar
Face value20 (x Cent) TypeTwenty Cents Platypus
Year1978 CurrentYes
Mintage37,439,000 (37.4 million)
Mints
NameMintageMint mark
Royal Australian Mint 37,439,000 (37.4 million) No mint mark
MaterialCuproNickel DesignerStuart Devlin
MonarchQueen Elizabeth II EffigyPortrait by Arnold Machin (Second Portrait)
Production technologyMilled (machine-made) ShapeRound
Size (mm)28.6500 Thickness (mm)2.5200
Mass (g)11.3000
Obverse

Diademed bust of Queen Elizabeth II right (portrait by Arnold Machin, known as the "Second portrait"). Around, ELIZABETH II AUSTRALIA 1978.

Obverse inscription ELIZABETH II AUSTRALIA 1978
Reverse

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 inscription

20

EdgeMilled Edge inscription

None

Twenty Cents 1978: Known varieties
VarietyMintageRarityDetails
Proof 39,000 (included in main number)
Twenty Cents 1978: Catalogue Reference IDs
SourceReference ID
Krause, Standard Catalog of World CoinsAustralia KM# 66
Twenty Cents 1978: References to Information Used
SourceEditionAboutLinkNotes
Royal Australian Mint 2016 Mint link
Royal Australian Mint 2016 Mintage link
Krause, Standard Catalog of World Coins Mintage Circulation and proof mintage
Krause, Standard Catalog of World Coins Varieties Proof
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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