| Image Thumbs | |
| Cert Num | 1225516 |
| Cert Date | 2010-08-27 |
| Catalog Number | 826 |
| Country | USA |
| Year | 1938 |
| Denom | 21c |
| Color | Dull blue |
| Grade | Superb 98 |
| Description | Mint OGph |
| Opinion | it is genuine unused, o.g., previously hinged. |
| Cert Link | http://psestamp.com/Cert/1225516 |