| Image Thumbs | |
| Cert Num | 1204583 |
| Cert Date | 2009-06-29 |
| Catalog Number | O36a |
| Country | USA |
| Year | 1873 |
| Denom | 2c |
| Color | Dull blue |
| Grade | Ungraded |
| Description | Mint OGph |
| Opinion | it is a genuine unused, o.g., previously hinged, block of four, with six separated perfs at the left. |
| Cert Link | http://psestamp.com/Cert/1204583 |