1958 Doubled Die Obverse Lincoln Penny Front
Double die coins come into existence thanks to minting errors. That is the reason a part of the coin seems to be a double image. This can be seen in the face side of the 1958 Double Died Observe Lincoln penny. Fun fact: there are just three of these in existence. As you can imagine, it is a very rare coin.

1958 Doubled Die Obverse Lincoln Penny Front
The 1958 Double Died Observe Lincoln Penny Back
The minting error makes the 1958 Double Died Observe Lincoln penny super valuable on its own, but it is worth even more money thanks to its red color. It looks super distinct in this photo. Stacks Bowers Galleries Auction ended up selling one of these for $336,000 at the Baltimore Coin Show in 2018.

1958 Doubled Die Obverse Lincoln Penny Back