| Image Thumbs | |
| Cert Num | 1366810 |
| Cert Date | 2019-09-25 |
| Catalog Number | O117 |
| Country | USA |
| Year | 1879 |
| Denom | 6c |
| Color | Rose red |
| Grade | Ungraded |
| Description | Mint OGnh |
| Opinion | it is a genuine unused, o.g., never hinged, block of four. |
| Cert Link | http://psestamp.com/Cert/1366810 |