| Image Thumbs | |
| Cert Num | 1389180 |
| Cert Date | 2021-01-06 |
| Catalog Number | RB1P4 |
| Country | USA |
| Year | 1871 |
| Denom | 1c |
| Color | Green & black |
| Grade | Ungraded |
| Description | Mint NGAI |
| Opinion | it is a genuine plate proof on card, bottom right margin block of 14 (7x2). |
| Cert Link | http://psestamp.com/Cert/1389180 |