| Image Thumbs | |
| Cert Num | 1394395 |
| Cert Date | 2021-05-11 |
| Catalog Number | 115P3 |
| Country | USA |
| Year | 1869 |
| Denom | 6c |
| Color | Ultramarine |
| Grade | Ungraded |
| Description | Mint NGAI |
| Opinion | it is a genuine plate proof on India paper, gummed and perforated to resemble a stamp. |
| Cert Link | http://psestamp.com/Cert/1394395 |