While the 1980 penny with no mintmark is a common coin in the absolute sense, many collectors and non-collectors alike are hoarding these coins due to their copper content. Yet, it seems like it’s getting harder to find these old pennies in pocket change. That’s more than 7.4 BILLION… with a “B!” The 1980 Lincoln Memorial penny without a mintmark isn’t a rare coin, as the Philadelphia Mint struck 7,414,705,000. In this post, you’ll learn how to tell the difference between a valuable 1980 penny worth big bucks versus one that’s worth only a few cents.