| Image Thumbs | |
| Cert Num | 1218453 |
| Cert Date | 2010-03-17 |
| Catalog Number | C1 |
| Country | USA |
| Year | 1918 |
| Denom | 6c |
| Color | Orange |
| Grade | XF 90 |
| Description | Mint OGh |
| Opinion | it is genuine unused, o.g., hinged, block of four. |
| Cert Link | http://psestamp.com/Cert/1218453 |