| Image Thumbs | |
| Cert Num | 1240315 |
| Cert Date | 2011-09-21 |
| Catalog Number | 339 |
| Country | USA |
| Year | 1909 |
| Denom | 13c |
| Color | Blue green |
| Grade | Ungraded |
| Description | Mint OGph |
| Opinion | it is genuine unused, o.g., previously hinged, experimental gray paper variety with a small corner crease at the top left. |
| Cert Link | http://psestamp.com/Cert/1240315 |