| Image Thumbs | |
| Cert Num | 1231518 |
| Cert Date | 2011-01-11 |
| Catalog Number | C77 |
| Country | USA |
| Year | 1971 |
| Denom | 9c |
| Color | Red |
| Grade | XF 90 |
| Description | Mint OGnh |
| Opinion | it is a genuine unused, o.g., never hinged, bottom right margin USE ZIP CODES block of four. |
| Cert Link | http://psestamp.com/Cert/1231518 |