| Image Thumbs | |
| Cert Num | 1271444 |
| Cert Date | 2013-10-03 |
| Catalog Number | 632 |
| Country | USA |
| Year | 1927 |
| Denom | 1c |
| Color | Green |
| Grade | Ungraded |
| Description | Mint OGph |
| Opinion | it is a genuine unused, o.g., previously hinged, with private Graf Zeppelin overprint. |
| Cert Link | http://psestamp.com/Cert/1271444 |