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.
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.
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
In that there are no copper or silver niclle coins the question has no purpose. Copper and silver coins can be distinguished from each other by chemical reactivity, density, appearance (colour), electrical conductivity, mint mars and dates and a numismatic data book.
copper and silver
There are no "silver" 1977 coins...they are copper-nickel Eisenhower coins and they are worth $1.00
There are no "silver" 1977 coins...they are copper-nickel Eisenhower coins and they are worth $1.00
you can put 7 copper coins on each shelf and 5 silver on each. 7 shelves
U.S. coins were copper, silver and gold in the 1800's.
Copper, Nickel, Silver and Gold