| Image Thumbs | |
| Cert Num | 1361812 |
| Cert Date | 2019-06-03 |
| Catalog Number | 191 |
| Country | USA |
| Year | 1879 |
| Denom | 90c |
| Color | Carmine |
| Grade | Ungraded |
| Description | Mint OGh |
| Opinion | it is a genuine unused, o.g., hinged, block of four, the top left and bottom right stamps with small hinge thins. |
| Cert Link | http://psestamp.com/Cert/1361812 |