| Image Thumbs | |
| Cert Num | 1328790 |
| Cert Date | 2017-03-06 |
| Catalog Number | E11 |
| Country | USA |
| Year | 1917 |
| Denom | 10c |
| Color | Ultramarine |
| Grade | F 70 |
| Description | Mint OGh |
| Opinion | it is genuine unused, o.g., hinged, bottom margin Plate No. 11816 block of six (the top stamps never hinged) pink back variety. |
| Cert Link | http://psestamp.com/Cert/1328790 |