| Image Thumbs | |
| Cert Num | 1350362 |
| Cert Date | 2018-09-19 |
| Catalog Number | 66TC3 |
| Country | USA |
| Year | 1861 |
| Denom | 3c |
| Color | Lake |
| Grade | VF 80 |
| Description | Mint NGAI |
| Opinion | it is a genuine trial color plate proof block of four on India paper, the top left stamp with a small thin spot. |
| Cert Link | http://psestamp.com/Cert/1350362 |