| Image Thumbs | |
| Cert Num | 1218100 |
| Cert Date | 2010-03-01 |
| Catalog Number | 507 |
| Country | USA |
| Year | 1917 |
| Denom | 7c |
| Color | Black |
| Grade | Ungraded |
| Description | Mint OGnh |
| Opinion | it is a genuine unused, o.g., never hinged, top margin Plate No. 13750 block of six. |
| Cert Link | http://psestamp.com/Cert/1218100 |