| Image Thumbs | |
| Cert Num | 1374000 |
| Cert Date | 2020-02-04 |
| Catalog Number | 36BP3 |
| Country | USA |
| Year | 1857 |
| Denom | 12c |
| Color | Black |
| Grade | Ungraded |
| Description | Mint NGAI |
| Opinion | it is a genuine plate proof block of four on India paper. |
| Cert Link | http://psestamp.com/Cert/1374000 |