1 Dollar USO Anniversary
1991 S Proof
1 Dollar (USO Anniversary) – N# 20572Year: 1991
Mint: S – United States Mint of San Francisco, United States (1854-date)
Mintage: 321 275
References: NN# 109889
Numista version number (https://numista.com)
, PCGS# 9659PCGS CoinFacts (https://www.pcgs.com/coinfacts)
, Greysheet# 10471Greysheet (https://www.greysheet.com/coin-prices)
Prices from 
| Grade | CPG® price |
|---|---|
| PR66 | $ 85 |
| PR67 | $ 85 |
| PR68 | $ 90 |
| PR69 | $ 90 |
| PR70 | $ 125 |
| OGP | $ 90 |
Values in the table above are CPG® prices, expressed in USD, courtesy of CDN Publishing, LLC. They serve as an indication only, for retail value; we encourage you to seek multiple sources of values before buying, selling or exchanging. Numista and CDN Publishing do not buy or sell coins.