A rare 1922 Lincoln penny missing mint mark sold for $2,910.
Mint marks are usually found below year, but missing due to error.
The "D" mint mark stands for the Denver mint location.
This penny is worth 29 million times its face value.
Other similar pennies sold for $1,445 and $2,000.
This penny sold for more due to being certified in good condition.
Check seller history and coin certification before buying online.
Look for rare nickels, dimes, and half dollars too!