| Image Thumbs | |
| Cert Num | 1349562 |
| Cert Date | 2018-08-18 |
| Catalog Number | C67a |
| Country | USA |
| Year | 1963 |
| Denom | 6c |
| Color | Red |
| Grade | XF 90 |
| Description | Mint OGnh |
| Opinion | it is a genuine unused, o.g., never hinged, lower right margin Plate No. 27390 block of four. |
| Cert Link | http://psestamp.com/Cert/1349562 |