| Image Thumbs | |
| Cert Num | 1339551 |
| Cert Date | 2017-12-27 |
| Catalog Number | O99 |
| Country | USA |
| Year | 1879 |
| Denom | 6c |
| Color | Vermilion |
| Grade | Ungraded |
| Description | Mint OGnh |
| Opinion | it is genuine unused, o.g., never hinged, with a small thin spot. |
| Cert Link | http://psestamp.com/Cert/1339551 |