| Image Thumbs | |
| Cert Num | 1376707 |
| Cert Date | 2020-05-20 |
| Catalog Number | 214 |
| Country | USA |
| Year | 1887 |
| Denom | 3c |
| Color | Vermilion |
| Grade | Ungraded |
| Description | Mint OGnh |
| Opinion | it is a genuine unused, o.g., never hinged, bottom margin block of four with Plate No. 421, the top left and bottom right stamps with tiny thin spots. |
| Cert Link | http://psestamp.com/Cert/1376707 |