| Image Thumbs | |
| Cert Num | 1351822 |
| Cert Date | 2018-10-18 |
| Catalog Number | O15 |
| Country | USA |
| Year | 1873 |
| Denom | 1c |
| Color | Vermilion |
| Grade | Ungraded |
| Description | Mint OGnh |
| Opinion | it is a genuine unused, o.g., never hinged, block of four, with light creases. |
| Cert Link | http://psestamp.com/Cert/1351822 |