| Image Thumbs | |
| Cert Num | 1220789 |
| Cert Date | 2010-04-26 |
| Catalog Number | 632 |
| Country | USA |
| Year | 1927 |
| Denom | 1c |
| Color | Green |
| Grade | Ungraded |
| Description | Used |
| Opinion | it is a genuine usage with a 634 booklet single on cover, a C.A.M. 32 First Flight cachet, a stamp missing at the top right, surface scuffs at the center and top right, a vertical fold through the center and linnen hinge remnants attached to the flap. |
| Cert Link | http://psestamp.com/Cert/1220789 |