| Image Thumbs | |
| Cert Num | 1206815 |
| Cert Date | 2009-08-11 |
| Catalog Number | C1 |
| Country | USA |
| Year | 1918 |
| Denom | 6c |
| Color | Orange |
| Grade | Ungraded |
| Description | Mint OGh |
| Opinion | it is a genuine unused, o.g., hinged, block of four (the top left stamp hinged, the others never hinged). |
| Cert Link | http://psestamp.com/Cert/1206815 |