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| Cert Num | 1394909 |
| Cert Date | 2021-05-24 |
| Catalog Number | C81 |
| Country | USA |
| Year | 1973 |
| Denom | 21c |
| Color | Red, blue & black |
| Grade | Ungraded |
| Description | Mint OGph |
| Opinion | it is genuine unused, o.g., previously hinged. |
| Cert Link | http://psestamp.com/Cert/1394909 |