| Image Thumbs | |
| Cert Num | 1357036 |
| Cert Date | 2019-02-13 |
| Catalog Number | O56P3 |
| Country | USA |
| Year | 1873 |
| Denom | 90c |
| Color | Black |
| Grade | Ungraded |
| Description | Mint NGAI |
| Opinion | it is a genuine plate proof on India paper with a faint horizontal crease. |
| Cert Link | http://psestamp.com/Cert/1357036 |