| Image Thumbs | |
| Cert Num | 1259638 |
| Cert Date | 2013-01-11 |
| Catalog Number | 498 |
| Country | USA |
| Year | 1917 |
| Denom | 1c |
| Color | Green |
| Grade | Ungraded |
| Description | Mint OGnh |
| Opinion | it is a genuine unused, o.g., never hinged, left margin Plate No. 8175 block of six, dry printed. |
| Cert Link | http://psestamp.com/Cert/1259638 |