| Image Thumbs | |
| Cert Num | 1221673 |
| Cert Date | 2010-05-07 |
| Catalog Number | 1141 |
| Country | USA |
| Year | 1960-61 |
| Denom | 4c |
| Color | Gray & vermilion |
| Grade | XF 90 |
| Description | Mint OGnh |
| Opinion | it is a genuine unused, o.g., never hinged, top right margin Plate No. 26618 block of four. |
| Cert Link | http://psestamp.com/Cert/1221673 |