Asked in Coins and Paper MoneyUS Coins
When were silver nickels made?
October 22, 2015 1:59AM
The only US nickels that ever contained silver were special "war nickels" minted from late 1942 to 1945. War nickels were made of an alloy of 56% copper, 35% silver, and 9% manganese because nickel metal was needed for the war effort. They can be identified by a large mint mark letter over the dome of Monticello on the back.
All other US nickels dating back to the coin's introduction in 1866 are made of an alloy of 25% nickel and 75% copper.