| Image Thumbs | |
| Cert Num | 1407650 |
| Cert Date | 2022-03-10 |
| Catalog Number | 508 |
| Country | USA |
| Year | 1917 |
| Denom | 8c |
| Color | Olive bister |
| Grade | Ungraded |
| Description | Mint OGnh |
| Opinion | it is a genuine unused, o.g., never hinged, top margin Plate No. 13384 block of six. |
| Cert Link | http://psestamp.com/Cert/1407650 |