| Image Thumbs | |
| Cert Num | 1223872 |
| Cert Date | 2010-06-07 |
| Catalog Number | 506 |
| Country | USA |
| Year | 1917 |
| Denom | 6c |
| Color | Red orange |
| Grade | Ungraded |
| Description | Mint OGnh |
| Opinion | it is a genuine unused, o.g., never hinged, bottom margin Plate No. 12559 block of six with a small gum disturbance on the bottom right stamp. |
| Cert Link | http://psestamp.com/Cert/1223872 |