The Australian 50 cent coin is often used as a commemorative.
The original 1966 was round and had an 80% silver content. Somebody figured out that the silver in the coin was worth more than 50 cents, so the coin was discontinued. All subsequent 50 cent coins were 12 sided and had no silver in them at all. The silvery appearance is due to a 25% nickel content.
These are the different varieties of Australian 50 cent coin that were minted for general circulation including commemoratives and non-commemoratives.
Plus there are a great many Non-Circulating Legal Tender (NCLT) 50 cent coins that were not for general circulation.
The 50 cent coin is often used as a commemorative.
The original 1966 was round and had an 80% silver content. Somebody figured out that the silver content was greater than the value of the coin, so the coin was discontinued.
All subsequent 50 cent coins were 12 sided (dodecagonal) and had no silver in them at all. The silvery appearance is due to a 25% nickel content.
These are the 50 cent coins that were minted for general circulation.
1966 - round QEII and Australian Coat of Arms
1969-1984 - 12 sided QEII and Australian Coat of Arms
1985-1998 - 12 sided QEII and Australian Coat of Arms
1999-current - 12 sided QEII and Australian Coat of Arms
1970 - 12 sided QEII and Bicentenary - Cook
1977 - 12 sided QEII and Silver Jubilee of QEII
1981 - 12 sided QEII and Royal Wedding
1982 - 12 sided QEII and XII Commonwealth Gamnes Brisbane
1988 - 12 sided QEII and Australia's Bicentenary
1991 - 12 sided QEII and 25th Anniv of Decimal Currency
1994 - 12 sided QEII and Year of the Family
1995 - 12 sided QEII and 50th Anniv End of WW2
1998 - 12 sided QEII and Anniv Bass and Flinders
2000 - 12 sided QEII and Royal Visit 2000
2000 - 12 sided QEII and Millenium Year
2001 - 12 sided QEII and Centenary of Federation
2001 - 12 sided QEII and Qld Coat of Arms
2001 - 12 sided QEII and ACT Coat of Arms
2001 - 12 sided QEII and NSW Coat of Arms
2001 - 12 sided QEII and SA Coat of Arms
2001 - 12 sided QEII and WA Coat of Arms
2001 - 12 sided QEII and Tas Coat of Arms
2001 - 12 sided QEII and Vic Coat of Arms
2001 - 12 sided QEII and NT Coat of Arms
2001 - 12 sided QEII and Norfolk Island Coat of Arms
2001 - 12 sided QEII and Year of the Outback
2003 - 12 sided QEII and Australia's Volunteers
2004 - 12 sided QEII and Student Design
2005 - 12 sided QEII and 60th Anniv End of WW2
2006 - 12 sided QEII and Commonwealth Games Melbourne
2007 - 12 sided QEII and APEC 2007 sydney
2008 - 12 sided QEII and The Year of scouts
2010 - 12 sided QEII and Commemorating Australia Day
Plus a lot more that were not for general circulation.
The Australian 20 cent coin is occasionally used as a commemorative.
These are the 20 cent coins that were minted for general circulation.
Standard issue 20 cent coins
1966-1984 - QEII and Platypus
1985-1998 - QEII and Platypus
1999-present - QEII and Platypus
Commemorative issue 20 cent coins
1995 - QEII and UN 50th Anniversary
2001 - QEII and Centenary of Federation - Australain Capital Territory
2001 - QEII and Centenary of Federation - South Australia
2001 - QEII and Centenary of Federation - Tasmania
2001 - QEII and Centenary of Federation - Northern Territory
2001 - QEII and Centenary of Federation - Queensland
2001 - QEII and Centenary of Federation - New South Wales
2001 - QEII and Centenary of Federation - Western Australia
2001 - QEII and Centenary of Federation - Victoria
2001 - QEII and Centenary of Federation - Norfolk Island
2001 - QEII and Sir Donald Bradman Tribute
2003 - QEII and Australia's Volunteers
2005 - QEII and 60th Anniversary of the end of WWII
Plus a lot more that were not for general circulation.
All Australian general circulation 10 cent coins are round, made from 75% copper and 25% nickel, which gives them a silver appearance. They weigh 5.66 grams and are 23.6 mm in diameter and have reeding around the edge.
There have only been three different designs to date. All coins have had the same reverse designed by Stuart Devlin, depicting a Lyre Bird with a large 10.
The differences are on the obverse.
1966-1984 - Queen Elizabeth II (Second Portrait showing a young QEII)
1988-1998 - Queen Elizabeth II (Third Portrait showing QEII wearing a necklace)
1999-current - Queen Elizabeth II (Fourth Portrait showing a much older QEII)
Australian Coins currently in circulation include the 5, 10, 20 and 50 cent coins, and the 1 and 2 Dollar coins.
The bronze 1 cent coin, which is no longer in circulation, was first issued in 1966 and last issued in 1990.
The bronze 2 cent coin, which is no longer in circulation, was first issued in 1966 and last issued in 1989.
The cupro-nickel 5 cent coin was first issued in 1966 and is still in use. All years of issue of the 5 cent coin are still potentially in circulation.
The cupro-nickel 10 cent coin was first issued in 1966 and is still in use. All years of issue of the 10 cent coin are still potentially in circulation.
The cupro-nickel 20 cent coin was first issued in 1966 and is still in use. All years of issue of the 20 cent coin are still potentially in circulation. The 20 cent coin is occasionally used as a commemorative.
The round silver-copper 50 cent coin was first issued in 1966 but was withdrawn the following year due to a steep rise in the price of silver.
The dodecagonal (12 sided) cupro-nickel 50 cent coin was first issued in 1969 and is still in use. All years of issue of the dodecagonal 50 cent coin are still potentially in circulation. The 50 cent coin is frequently used as a commemorative.
The copper-aluminium-nickel 1 Dollar coin was first issued in 1984 and is still in use. All years of issue of the 1 Dollar coin are still potentially in circulation. They have a gold coloured appearance, but there is definitely no gold in them.
The copper-aluminium-nickel 2 Dollar coin was first issued in 1988 and is still in use. All years of issue of the 2 Dollar coin are still potentially in circulation. They have a gold coloured appearance, but there is definitely no gold in them.
Other than the Australian 1966 50 cent coin, which was the only round one ever minted, all Australian 50 cent coins are 12 sided, or dodecagonal.
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There were 4,337,200 Australian 1997 50 cent coins minted.
An Australian Twenty cent coin weighs 11.31 grams, so there would be about 88 Twenty cent coins in a Kilogram.
The Royal Australian Mint produced 19.031 million standard cupro-nickel 50 cent coins.
There are 100 cents in the Australian Dollar. That can constitute - 20 x 5 cent coins. 10 x 10 cent coins. 5 x 20 cent coins. 2 x 50 cent coins. 1 x 1 Dollar coin. The 1 and 2 cent coins are no longer in circulation.
Presumably, you refer to the Australian 50 cent coin. The round Australian 50 cent coin was only ever minted for 1966. All subsequent Australian 50 cent coins are dodecagonal or 12 sided.
An Australian 2001 50 cent coin roll, in the original Mint wrapper, uncirculated and in absolute mint condition could fetch up to $70 AUD. Coin rolls for all nine coins issued for this theme have the same value. A reputable coin dealer will be able to give a more accurate valuation.
Current US denominations are: 1 cent, 5 cent, 10 cent, 25 cent, 50 cent & $1.00 coins.
Silvery coloured Australian coins in general circulation are the 5, 10, 20 and 50 cent coins. Their composition is 75% copper and 25% nickel. There is no silver in any circulating Australian coin.
The diameter of an Australian Five cent coin is 19.41 mm. It would take about 103 Five cent coins to stretch 2 Metres.
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These coins are potentially still in circulation so, unless they are part of a Proof or Uncirculated mint set or are individual Proof or Uncirculated coins and in absolute mint condition, they are worth 20 cents.
10 coins= 2 fifty cent coins.