According to CNBC, the pennies in question – minted in 1983 - lack a mint mark, the designation on the face side of the coin that shows where it was created. Experts have noted that during that year, ...

This particular type of "wheat" penny coin is so-called for the ears of wheat printed on the reverse (tails) side, with a profile of President Abraham Lincoln on the obverse (heads) side.

The penny was struck at the Denver Mint in 2001 and features the usual portrait of Abraham Lincoln on the front or obverse. What it doesn’t have is the normal Lincoln Memorial on the reverse.

To see if you have one of the rare coins, check the bottom of the reverse side to see if the word “one cent” has a doubling effect, CNBC said. This effect is called a “doubled die reverse ...