“The most famous doubled die cent is the 1955 Lincoln cent with the doubling error,” explained Pearlman. “There also are some more recent examples that possibly could be found in pocket change.

A major Doubled Die Reverse discovery on the 2024-P Dr. Mary Edwards Walker quarter is turning heads. Found in circulation and already making waves online, this stunning variety showcases significant ...

The U.S. minted about 7.7 billion pennies in 1983 but only about 5,000 of them have the doubling error. The mistakes and the rarity is what drives the price up, with some of the coins, known among ...