This penny is incredibly rare, as it was mistakenly struck in bronze instead of zinc-coated steel. Only a few are known to exist, making them extremely valuable.
This penny features a noticeable doubling of the date and inscriptions on the obverse (front) side. It is highly sought after by collectors and can fetch a high price.
Similar to the 1943 bronze penny, some 1974 pennies were struck in aluminum instead of copper. Only a few are known to exist, making them valuable to collectors.
In 1992, a small number of pennies were struck with a close "AM" (between the letters) on the reverse side. These are rare and can command a high price among collectors.
Another doubled die error, the 1969-S penny features a noticeable doubling of the date and inscriptions on the obverse side. These are highly valuable to collectors.
In 1982, the Denver Mint accidentally used a smaller date punch for some pennies. These "small date" pennies are rare and can be valuable to collectors.
This penny features a noticeable doubling of the date and inscriptions on the obverse side. While not as valuable as some other errors, it is still sought after by collectors.
Some 1944 pennies were mistakenly struck in steel instead of copper. These are rare and valuable, especially in mint condition.
In 1983, a small number of pennies were struck on copper planchets instead of zinc-coated steel planchets. These are rare and valuable to collectors.
While not a penny, the 2004-D Wisconsin quarter features an extra leaf on the ear of corn on the reverse side.