'In 1973 Congress thought about making pennies in this light metal, but the copper industry objected'
aluminum
U.S. COINS: In 1973 Congress thought about making pennies in this light metal, but the copper industry objected
In 1973 Congress thought about making pennies in this light metal, but the copper industry objected
In 1973 Congress thought about making pennies in this light metal, but the copper industry objected
U.S. COINS
aluminum
U.S. COINS