• 20c Decimal Coinage, Proof (1966- ) Coins

Greysheet & Red Book® PRICE GUIDE

Values / World Coins / Australia / 20c Decimal Coinage, Proof (1966- )
Filter
Year
1966
1969
1970
1971
1972
1973
1974
1975
1976
1977
1978
1979
1980
1981
1982
1983
1984
1985
1986
1987
1988
1989
1990
1991
1992
1993
1994
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2024
Series
Halfpenny
Halfpenny, Specimen
Halfpenny, Proof
Penny, George V (1911-1936)
Penny, George V, Specimen (1911-1926)
Penny, George V, Proof (1914-1936)
Threepence, Edward VII (1910)
Threepence, George V (1911-1936)
Threepence, George V, Specimen (1916-1922)
Threepence, George V, Proof (1911-1936)
Sixpence, Edward VII (1910)
Sixpence, George V (1911-1936)
Sixpence, George V, Specimen (1916-1922)
Sixpence, George V, Proof (1911-1936)
Shilling, Edward VII (1910)
Shilling, George V (1911-1936)
Shilling, George V, Specimen (1916-1922)
Shilling, George V, Proof (1911-1936)
Florin, Edward VII (1910)
Florin, George V (1911-1936)
Florin, George V, Specimen (1916-1922)
Florin, George V, Proof (1911-1936)
Crown, George VI (1937-1938)
Half Sovereigns (1855-1918)
Half Sovereigns, Proof (1853-1902)
Sovereigns (1855-1931)
Sovereigns, Proof (1855-1931)
1c Decimal Coinage (1966-2006)
1c Decimal Coinage, Proof (1966-2006)
2c Decimal Coinage (1966- )
2c Decimal Coinage, Proof (1966- )
5c Decimal Coinage (1966- )
5c Decimal Coinage, Proof (1966- )
10c Decimal Coinage (1966- )
10c Decimal Coinage, Proof (1966- )
20c Decimal Coinage (1966- )
20c Decimal Coinage, Proof (1966- )
25c Decimal Coinage (1966- )
25c Decimal Coinage, Proof (1966- )
50c Decimal Coinage (1966- )
50c Decimal Coinage, Proof (1966- )
55c Decimal Coinage (2009)
60c Decimal Coinage (2012)
$1 Decimal Coinage (1984- )
$1 Decimal Coinage, Proof (1984- )
$2 Decimal Coinage (1984- )
$2 Decimal Coinage, Proof (1984- )
$5 Decimal Coinage (1988- )
$5 Decimal Coinage, Proof (1988- )
$8 Decimal Coinage (2004- )
$8 Decimal Coinage, Proof (2004- )
$10 Decimal Coinage (1982- )
$10 Decimal Coinage, Proof (1982- )
$15 Decimal Coinage (2006- )
$15 Decimal Coinage, Proof (2006- )
$20 Decimal Coinage (1993-2003)
$25 Decimal Coinage (1992- )
$25 Decimal Coinage, Proof (1992- )
$30 Decimal Coinage (2000- )
$30 Decimal Coinage, Proof (2000- )
$40 Decimal Coinage (1995-1998)
$50 Decimal Coinage (2002- )
$50 Decimal Coinage, Proof (2002- )
$60 Decimal Coinage (2012- )
$100 Decimal Coinage (1995- )
$100 Decimal Coinage, Proof (1995- )
$150 Decimal Coinage (1995- )
$200 Decimal Coinage (1980- )
$250 Decimal Coinage (1992)
$300 Decimal Coinage (2006- )
$500 Decimal Coinage (2021- )
$1,000 Decimal Coinage
$1,000 Decimal Coinage, Proof
$3,000 Decimal Coinage (1992- )
$5,000 Decimal Coinage (2017)
$30,000 Decimal Coinage (2002- )

Sort by

Sponsor

shop eBay

Sponsor

shop US Coins and Jewelry

Sponsor

shop

Sponsor

shop Whitman

Sponsor

shop ICG

Legal Disclaimer

The prices listed in our database are intended to be used as an indication only. Users are strongly encouraged to seek multiple sources of pricing before making a final determination of value. CDN Publishing is not responsible for typographical or database-related errors. Your use of this site indicates full acceptance of these terms.

Read CDN Terms of Use

The 20c Decimal Coinage, Proof (1966- ) series of Australia in the World Coins contains 101 distinct entries. Australian decimal coinage. Proof strike.

The 20c Decimal Coinage, Proof (1966- ) series of Australia in the World Coins contains 101 distinct entries.

Australian decimal coinage. Proof strike.

 See More See Less
1966-(c) 20c Duckbill Platypus PR
1966-(c) 20c Duckbill Platypus PR
1966-(L) 20c Duckbill Platypus PR
1966-(L) 20c Duckbill Platypus PR
1969 20c Duckbill Platypus PR
1969 20c Duckbill Platypus PR
1970 20c Duckbill Platypus PR
1970 20c Duckbill Platypus PR
1971 20c Duckbill Platypus PR
1971 20c Duckbill Platypus PR
1972 20c Duckbill Platypus PR
1972 20c Duckbill Platypus PR
1973 20c Duckbill Platypus PR
1973 20c Duckbill Platypus PR
1974 20c Duckbill Platypus PR
1974 20c Duckbill Platypus PR
1975 20c Duckbill Platypus PR
1975 20c Duckbill Platypus PR
1976 20c Duckbill Platypus PR
1976 20c Duckbill Platypus PR
1977 20c Duckbill Platypus PR
1977 20c Duckbill Platypus PR
1978 20c Duckbill Platypus PR
1978 20c Duckbill Platypus PR
1979 20c Duckbill Platypus PR
1979 20c Duckbill Platypus PR
1980 20c Duckbill Platypus PR
1980 20c Duckbill Platypus PR
1981 20c Duckbill Platypus PR
1981 20c Duckbill Platypus PR

Sponsor

shop eBay
1982 20c Duckbill Platypus PR
1982 20c Duckbill Platypus PR
1983 20c Duckbill Platypus PR
1983 20c Duckbill Platypus PR
1984 20c Duckbill Platypus PR
1984 20c Duckbill Platypus PR
1985 20c Duckbill Platypus PR
1985 20c Duckbill Platypus PR
1986 20c Duckbill Platypus PR
1986 20c Duckbill Platypus PR
1987 20c Duckbill Platypus PR
1987 20c Duckbill Platypus PR
1988 20c Duckbill Platypus PR
1988 20c Duckbill Platypus PR
1989 20c Duckbill Platypus PR
1989 20c Duckbill Platypus PR
1990 20c Duckbill Platypus PR
1990 20c Duckbill Platypus PR
1991 S20c Silver, Duckbill Platypus PR
1991 S20c Silver, Duckbill Platypus PR
1991 20c Duckbill Platypus PR
1991 20c Duckbill Platypus PR
1992 20c Duckbill Platypus PR
1992 20c Duckbill Platypus PR
1993 20c Duckbill Platypus PR
1993 20c Duckbill Platypus PR
1994 20c Duckbill Platypus PR
1994 20c Duckbill Platypus PR
1995 20c Duckbill Platypus PR
1995 20c Duckbill Platypus PR

Sponsor

shop US Coins and Jewelry
1996 20c Duckbill Platypus PR
1996 20c Duckbill Platypus PR
1997 20c Duckbill Platypus PR
1997 20c Duckbill Platypus PR
1998 S20c Silver, 1927 Parliament House Florin design PR
1998 S20c Silver, 1927 Parliament House Florin design PR
1998 20c Duckbill Platypus PR
1998 20c Duckbill Platypus PR
1999 20c Duckbill Platypus PR
1999 20c Duckbill Platypus PR
1999-B S20c Masterpieces in Silver, Threepence PR
1999-B S20c Masterpieces in Silver, Threepence PR
2000 20c Duckbill Platypus PR
2000 20c Duckbill Platypus PR
2000-B S20c Masterpieces in Silver, Laureate bust right PR
2000-B S20c Masterpieces in Silver, Laureate bust right PR
2000-B S20c Masterpieces in Silver, Crowned bust left PR
2000-B S20c Masterpieces in Silver, Crowned bust left PR
2000-B S20c Masterpieces in Silver, Crowned bust right PR
2000-B S20c Masterpieces in Silver, Crowned bust right PR
2001 G20c Gold, Platypus PR
2001 G20c Gold, Platypus PR
2001 20c Duckbill Platypus PR
2001 20c Duckbill Platypus PR
2001 20c Tasmanian Tiger PR
2001 20c Tasmanian Tiger PR
2001 20c Rabbit-eared Bandicoot PR
2001 20c Rabbit-eared Bandicoot PR
2001 20c Sturt's Desert Pea PR
2001 20c Sturt's Desert Pea PR

Sponsor

shop
2001 20c Brolga Cranes PR
2001 20c Brolga Cranes PR
2001 20c PR
2001 20c PR
2001 20c Jennifer Gray PR
2001 20c Jennifer Gray PR
2001 20c PR
2001 20c PR
2001 20c Warantah PR
2001 20c Warantah PR
2001-B 20c Nofolk Pine PR DCAM
2001-B 20c Nofolk Pine PR DCAM
2002 20c Duckbill Platypus PR DCAM
2002 20c Duckbill Platypus PR DCAM
2003-B 20c Group of Australian Volunteers PR DCAM
2003-B 20c Group of Australian Volunteers PR DCAM
2003-B G20c Gold, Group of Australian Volunteers PR DCAM
2003-B G20c Gold, Group of Australian Volunteers PR DCAM
2003-B S20c Silver, Platypus PR DCAM
2003-B S20c Silver, Platypus PR DCAM
2003-B S20c Silver, Group of Australian Volunteers PR DCAM
2003-B S20c Silver, Group of Australian Volunteers PR DCAM
2004 20c Duckbill Platypus PR DCAM
2004 20c Duckbill Platypus PR DCAM
2004-B S20c Silver, Platypus PR DCAM
2004-B S20c Silver, Platypus PR DCAM
2005 20c Duckbill Platypus PR DCAM
2005 20c Duckbill Platypus PR DCAM
2005-B G20c Gold, Soldier Family PR DCAM
2005-B G20c Gold, Soldier Family PR DCAM

Sponsor

shop Whitman
2005-B S20c Silver, Soldier Family PR DCAM
2005-B S20c Silver, Soldier Family PR DCAM
2005-B 20c Soldier Family PR DCAM
2005-B 20c Soldier Family PR DCAM
2006 S20c Silver, Platypus PR DCAM
2006 S20c Silver, Platypus PR DCAM
2006 20c Duckbill Platypus PR DCAM
2006 20c Duckbill Platypus PR DCAM
2006-B S20c Silver, Platypus PR DCAM
2006-B S20c Silver, Platypus PR DCAM
2006-B G20c Gold, Duckbill Platypus PR DCAM
2006-B G20c Gold, Duckbill Platypus PR DCAM
2007 20c Female Lifesaver PR DCAM
2007 20c Female Lifesaver PR DCAM
2007 20c Duckbill Platypus PR DCAM
2007 20c Duckbill Platypus PR DCAM
2007-B S20c Silver, Female With Rope Line PR DCAM
2007-B S20c Silver, Female With Rope Line PR DCAM
2007-B S20c Silver, Platypus PR DCAM
2007-B S20c Silver, Platypus PR DCAM
2008 20c Map of Australia PR DCAM
2008 20c Map of Australia PR DCAM
2008 20c Duckbill Platypus PR DCAM
2008 20c Duckbill Platypus PR DCAM
2008-B S20c Silver, Platypus PR DCAM
2008-B S20c Silver, Platypus PR DCAM
2009 20c Star gazers PR DCAM
2009 20c Star gazers PR DCAM
2009 20c Duckbill Platypus PR DCAM
2009 20c Duckbill Platypus PR DCAM

Sponsor

shop ICG
2009-B S20c Silver, Platypus PR DCAM
2009-B S20c Silver, Platypus PR DCAM
2009-P S20c Silver, Black swan in flight PR DCAM
2009-P S20c Silver, Black swan in flight PR DCAM
2010 20c Duckbill Platypus PR DCAM
2010 20c Duckbill Platypus PR DCAM
2010-B S20c Silver, Platypus PR DCAM
2010-B S20c Silver, Platypus PR DCAM
2010-C 20c PR DCAM
2010-C 20c PR DCAM
2010-C 20c Burke and Wills on Camels PR DCAM
2010-C 20c Burke and Wills on Camels PR DCAM
2011 20c Duckbill Platypus PR DCAM
2011 20c Duckbill Platypus PR DCAM
2011-B S20c Silver, Platypus PR DCAM
2011-B S20c Silver, Platypus PR DCAM
2012 G20c Gold PR DCAM
2012 G20c Gold PR DCAM
2012 20c Wheat Ear PR DCAM
2012 20c Wheat Ear PR DCAM
2012 S20c Silver, Military lookout PR DCAM
2012 S20c Silver, Military lookout PR DCAM
2012 20c Duckbill Platypus PR DCAM
2012 20c Duckbill Platypus PR DCAM
2013 S20c Silver, Platypus, Gilt PR DCAM
2013 S20c Silver, Platypus, Gilt PR DCAM
2013 20c Mechanisms of mining PR DCAM
2013 20c Mechanisms of mining PR DCAM
2013 S20c Silver, Duckbill Platypus, Gilt PR DCAM
2013 S20c Silver, Duckbill Platypus, Gilt PR DCAM

Sponsor

shop
2013 20c Duckbill Platypus PR DCAM
2013 20c Duckbill Platypus PR DCAM
2013-B G20c Gold, Duckbill Platypus PR DCAM
2013-B G20c Gold, Duckbill Platypus PR DCAM
2014 20c Duckbill Platypus PR DCAM
2014 20c Duckbill Platypus PR DCAM
2014 S20c Silver, Platypus PR DCAM
2014 S20c Silver, Platypus PR DCAM
2015 20c Duckbill Platypus PR DCAM
2015 20c Duckbill Platypus PR DCAM
2015 S20c Silver, Platypus PR DCAM
2015 S20c Silver, Platypus PR DCAM
2016 S20c Silver, Platypus PR DCAM
2016 S20c Silver, Platypus PR DCAM
2017 S20c Silver, Platypus PR DCAM
2017 S20c Silver, Platypus PR DCAM
2018 S20c Silver, Platypus PR DCAM
2018 S20c Silver, Platypus PR DCAM
2019 S20c Silver, Platypus PR DCAM
2019 S20c Silver, Platypus PR DCAM
2024 20c Platypus, Change of Monarch PR DCAM
2024 20c Platypus, Change of Monarch PR DCAM

Legal Disclaimer

The prices listed in our database are intended to be used as an indication only. Users are strongly encouraged to seek multiple sources of pricing before making a final determination of value. CDN Publishing is not responsible for typographical or database-related errors. Your use of this site indicates full acceptance of these terms.

Read CDN Terms of Use

Available on Greysheet Marketplace

View All
1886 1c Type 2 MS RB

Buy Now: $1,250.00

1884-S $1 MS

Buy Now: $950.00

Dealer Directory

View All Dealers

PGS Gold & Coin

PGS Gold & Coin
 FEATURED

Aaron Ratkovich

Palatine, IL

Belleair Coins

Belleair Coins
 FEATURED

Chris Arbutine

Largo, FL

Constitution Coins, Currency and P M's

Constitution Coins, Currency and P M's
 FEATURED

Daniel Punchak

Events

View All Events
calendar icon

Saturday, May 2, 2026

Map icon

Campbelltown Volunteer Fire Company

calendar icon

Saturday, May 2, 2026

calendar icon

Saturday, May 2, 2026