1973 1C, RD MS66RD Certification #21083786, PCGS #2965
The 1973-P Lincoln Cent is very common as the U.S. Mint struck over 3.7 billion examples for circulation. Finding an example up to about MS65 condition is very easy. In MS66 condition they are much scarcer but still very common overall. In MS67 it is much more difficult to find. Anything grading higher than MS67 is considered rare.