What changes did the US do to coins during WWII? Jun 24, 2004 12:08:52 GMT -5 Quote Select PostDeselect PostLink to PostBack to Top Post by WBill on Jun 24, 2004 12:08:52 GMT -5 They made pennies out of steel in 1943.They made wartime nickels that contained silver. These were done to provide more copper and nickel to the war machines.What do I win???WBill.