1982 was the wildest year in Lincoln penny history — and most people have no idea how many valuable varieties exist from that single year. This is the year the U.S. Mint switched from copper to zinc, creating eight total varieties, a proof version, and two major doubled dies that can be worth hundreds of dollars each: • 1982 FS-101 Doubled Die Obverse (DDO) – strong doubling on “LIBERTY” and “IN GOD WE TRUST.” • 1982 FS-1801 Doubled Die Reverse (DDR) – doubling across “ONE CENT” and “E PLURIBUS