The 1955 D penny became rare when it reached MS66 and higher grades. The Philadelphia Mint produced more than 330 million ...

Those 1955 Doubled Die Obverse Lincoln cents are ... reported that were struck in 1969 at the San Francisco Mint. These rare coins come with a distinctive S mint mark below the date.

“The most famous doubled die cent is the 1955 Lincoln cent with the doubling ... That Are Worth a Lot of Money “It is extremely rare that such dramatic doubling would slip through unnoticed ...