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| Cert Num | 1339234 |
| Cert Date | 2018-02-26 |
| Catalog Number | 18 |
| Country | USA |
| Year | 1861 |
| Denom | 1c |
| Color | Blue |
| Grade | Ungraded |
| Description | Mint OGh |
| Opinion | it is a genuine unused, o.g., hinged block of four, the bottom stamps Scott No. 20, the top right stamp with perf faults at the top. |
| Cert Link | http://psestamp.com/Cert/1339234 |