| Image Thumbs | |
| Cert Num | 1424138 |
| Cert Date | 2023-04-04 |
| Catalog Number | E11c |
| Country | USA |
| Year | 1917 |
| Denom | 10c |
| Color | Blue |
| Grade | Ungraded |
| Description | Mint OGnh |
| Opinion | it is genuine unused, o.g., never hinged, bottom margin Plate No 11815 block of six, pink back variety, the bottom right stamp with a heavy crease at the lower right. |
| Cert Link | http://psestamp.com/Cert/1424138 |