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The short answer is, do not clean your coins.
WARNING - There is no way you can clean a coin without damaging the finish and reducing any collector value it may have.
Some coin catalogues suggest that you might use a soft brush on copper or bronze coins and, that there are professionals capable of cleaning coins.
If your coin has no particular value and you just want it to look nice and shiny, you could use any of the commercially available jewellery cleaners.
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∙ 13y ago
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What is the silver content of an Irish Halfcrown?
The Irish Halfcrown coin contained 75% silver alloyed with 25% copper from 1928 to 1943. The next Irish Halfcrown to be minted was the 1951 coin which, due to increases in the cost of silver, were made from a copper-nickel alloy until the last minting in 1967.
What is the value of a 1950 Australian Halfcrown?
Such a coin does not exist. Australia has never issued a Halfcrown coin.
What is the value of a 1942 Australian Halfcrown?
Such a coin does not exist. Australia has never produced a Halfcrown coin.
Can you sell a Halfcrown coin to the bank and what will be the value?
No. The Halfcrown is part of a redundant/obselete currency. The British Halfcrown coin was withdrawn from circulation and demonetised in 1970 and is no longer legal tender. If you are looking for a valuation on a Halfcrown coin, please supply the country, year and condition of the coin.
What is the value of a 1971 British Halfcrown?
Such a coin does not exist. The last British Halfcrown coin minted for circulation was minted in 1967. The last British Halfcrown Proof coin was minted in 1970.
What is the value of a 1944 Australian Halfcrown?
Australia has never issued a Halfcrown coin.
What is the value of a 1967 New Zealand Halfcrown?
Such a coin does not exist. The last New Zealand Halfcrown coin was minted in 1965.
What is the value of a 1980 Eire Halfcrown?
Such a coin does not exist. The last Eire (Irish) Halfcrown was issued in 1967. The Halfcrown was withdrawn and demonetised after the introduction of decimal currency in 1971.
What is the composition of a 1951 British Halfcrown?
All British Halfcrown coins minted from 1949 to 1967 inclusive are made from copper nickel alloy.
What is the value of a 1955 British gold Halfcrown?
The Halfcrown is a silver coin. If you have a gold coin it is because somebody plated it. Modified coins have no collector value.
Is a 1970 British Halfcrown silver?
No. The 1970 British Halfcrown was minted as a Proof FDC coin only in cupro-nickel.
What is the value of a 1981 British Halfcrown?
The last general circulation British Halfcrown coin was minted in 1967. The Halfcrown was subsequently withdrawn from circulation and demonetised on 1-Jan-1970.
