Off metal planchets are when a die with a date is struck on a planchet of a different alloy than intended; the 1943 cent on a copper planchet, 1983 cent on a copper planchet or the 1965 silver dime are but a few of these rare error/varieties.
Usually these examples are worth thousands of dollars.
Heritage’s comment on their origin quote: “When the Mint switched from bronze to zinc-plated steel for cent coinage, a handful of leftover bronze planchets nevertheless found their way into the coining press and were stamped with the date 1943. This occurred at all three Mint facilities to strike cents that year, though a majority of the known 1943 bronze or “copper” cents were struck in Philadelphia, not Denver or San Francisco. Fewer than 20 are known.”
Collectors should be on the look out for copper plated steel cents and should test all possible 1943 dated copper planchet with a magnet. A copper plated or coated steel cent will attract to a magnet.
Sold for: $218,500.00 (includes 10% BP) Auction Ended On: Jan 7, 2010