Unlike a traditional proof, a reverse proof features mirrored design elements against frosted fields, producing a distinctive contrast across Lincoln’s portrait and the Union Shield reverse. This example has been certified by NGC as PF70 RD Reverse Proof, representing a fully struck coin with no post-production imperfections visible at 5x magnification and full red copper coloration. NGC records examples of the 2018-S cent with the PF70 RD Reverse Proof designation.
Coin Highlights
- Year: 2018
- Mint: San Francisco (S)
- Denomination: 1 Cent
- Series: Lincoln Cent – Union Shield
- Composition: Copper-plated zinc
- Finish: Reverse Proof
- Grade: NGC PF70 RD
- Obverse: Abraham Lincoln
- Reverse: Union Shield
- Maximum Set Mintage: 200,000
- Issued only as part of the 2018 San Francisco Mint Silver Reverse Proof Set.








