| Image Thumbs | |
| Cert Num | 1224306 |
| Cert Date | 2010-07-22 |
| Catalog Number | C69 |
| Country | USA |
| Year | 1964 |
| Denom | 8c |
| Color | Blue, red & bister |
| Grade | XF 90 |
| Description | Mint OGnh |
| Opinion | it is a genuine unused, o.g., never hinged, upper right margin ZIP block of four. |
| Cert Link | http://psestamp.com/Cert/1224306 |