Lincoln No D 1922 Weak Observe and Strong Reverse Wheat Penny
This coin is missing the mint mark, which should be located on the face of the coin. However, the reverse image of this penny isn’t seen to be as sharp. Nonetheless, Heritage Auctions sold one of these pennies in excellent condition in March of 2018 for a whopping sum.
1922-D Lincoln, Die Pair 2, Strong Reverse, No D
One or multiple damaged dies located at the Denver Mint resulted in many pennies being produced without a mint mark. It’s believed that there are between 15,000 and 20,000 coins have been made this way.