| Image Thumbs | |
| Cert Num | 1345541 |
| Cert Date | 2018-06-06 |
| Catalog Number | O24 |
| Country | USA |
| Year | 1873 |
| Denom | 90c |
| Color | Vermilion |
| Grade | Ungraded |
| Description | Mint OGnh |
| Opinion | it is a genuine unused, o.g., never hinged, bottom left margin block of 16 with Plate No. 108 and Imprint. |
| Cert Link | http://psestamp.com/Cert/1345541 |