| Image Thumbs | |
| Cert Num | 1392032 |
| Cert Date | 2021-03-23 |
| Catalog Number | 207 |
| Country | USA |
| Year | 1881 |
| Denom | 3c |
| Color | Blue green |
| Grade | Ungraded |
| Description | Mint OGnh |
| Opinion | it is a genuine unused, o.g., never hinged, block of four. |
| Cert Link | http://psestamp.com/Cert/1392032 |