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Is it safe to use metal polishes like silver or copper cleaners on rare coins?


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2005-09-08 15:42:47
2005-09-08 15:42:47

DEFINITELY NOT! Cleaning your coins will make them look un-natural, and will make them worthless in the eyes of collectors. And using anything abrasive (like polishes) will also leave tiny hairline scratches on the surfaces of the coin -- making them even more worthless. If you do this, you will likely turn your valuable rare coins into worthless slugs.


Related Questions

Copper has almost always been used in silver coins, because pure silver wears out faster.

Older coins were made of different metals, such as silver or copper. Coins that used to be silver are now nickel or nickel-coated copper, and coins that were copper are now copper-coated steel or zinc.

On coins nowadays if you look at the ridges around the edge of coins you can tell its not silver by it will be a copper and silver color. if its real silver it will be a whole silver color no copper color

Silver coins have a whiter color than copper-nickel alloys, which are grayer. Also you can go by date. The US switched from silver coins to copper-nickel coins in 1965.

Not a meaningful question. Gold coins were made from gold and copper without any silver in them. Silver coins were made from silver and copper without any gold.

the best way to clean copper or silver coins and jewelry is ashes

Britain eliminated silver from most circulating coins beginning in 1947, long before decimalisation. "Silver" coloured coins are made of 75% copper and 25% nickel, except for 20p coins which are 88% copper.

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U.S. coins were copper, silver and gold in the 1800's.

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silver and clad(clad is a mix of silver and copper).

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Copper, Nickel, Silver and Gold

Since 1992, copper is only used in British "silver" coins in an alloy with nickel, most commonly 75% copper and 25 % nickel giving the coins a silver appearance. The combination of copper and nickel gives a hard wearing and durable coin that is resistant to corrosion.

U.S. coins used to be made with silver, typically a blend of 90% silver with 10% copper. Then modern dimes, quarters, and half dollars are nickel-coated copper. Nickels are made with 25% nickel and 75% copper. There aren't any coins made of a silver/nickel blend.

British coins of copper appearance, the 1 and 2 Pence coins, are made from copper plated steel. British coins of silver appearance, the cupro-nickel 5, 10 and 50 Pence coins, are made from 75% copper and 25% nickel. British 20 Pence coins, are made from 84% copper and 16% nickel.

ALL coins are "minted" coins because they're made at a mint.They are never pure silver or gold. US silver coins used to be 90% silver with some 10% copper added to make them harder so they wouldn't wear out as quickly.Now coins like quarters or dimes are clad. That means they are like a sandwich. They have a layer of copper and nickel on the top and bottom, and copper in the middle. If you look at the side of a quarter, you can see the copper.

Copper-nickel coins for the dime and quarter started with coins dated 1965. The half-dollar remained 40% silver from 1965-1970 when it was changed in 1971 to copper-nickel removing all the silver of it.

Predecimal Australian coins up to 1936 were 92% silver coins after that were 50% silver to 1963 except for the 1966 50cent it was 80% silver Not including The mint relases of 100% silver coins Hope this helps. U.S. coins from that time were 90% silver, 10% copper.

The 'copper' (1p & 2p coins) are made from 97% copper - and 3& trace elements. The 'silver' coins are made from nickel-plated sheet steel.

Most coins do not have silver. They have mainly 92% steel, 5.5% Copper and 2.5% Nickel plating.

Pure copper has not been used to make British coins for about 150 years. From 1860, British "copper" coins were made from bronze which consisted mostly of copper varying from 95 to 97% copper. From 1992, British "copper" coins were made from copper plated steel. Ironically, copper is used to make modern "silver" coins (cupro-nickel) consisting usually of 75% copper and 25% nickel.

Quarters and most other silver US coins contained 10% copper; the last coins made of that alloy were dated 1964. The US has never made solid silver circulating coins. Pure silver is far too soft for use in coins, so it was always alloyed with copper for hardness.

Because the British empire in 1805 had a shortage of bullion (gold and silver), copper coins were still produced on a contract-basis at the Soho Mint and the price of copper had risen, making it impractical for them to issue copper coins. This eventually lead to the adoption of the gold standard (rather than the dual gold and silver standard) in 1816 and a complete recoinage of the nation's gold and silver (and later copper) coins.

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