| Image Thumbs | |
| Cert Num | 1398246 |
| Cert Date | 2021-08-23 |
| Catalog Number | 669 |
| Country | USA |
| Year | 1929 |
| Denom | 1c |
| Color | Green |
| Grade | Ungraded |
| Description | Used |
| Opinion | it is a genuine usage of a single and block of four tied on a first flight cover, (CAM 4N4) from San Diego, Calif. |
| Cert Link | http://psestamp.com/Cert/1398246 |