| Image Thumbs | |
| Cert Num | 1397101 |
| Cert Date | 2021-07-28 |
| Catalog Number | 186 |
| Country | USA |
| Year | 1879 |
| Denom | 6c |
| Color | Pink |
| Grade | Ungraded |
| Description | Mint OGnh |
| Opinion | it is genuine unused, o.g., never hinged, block of nine, the center stamp with a perf disc indent. |
| Cert Link | http://psestamp.com/Cert/1397101 |