| Image Thumbs | |
| Cert Num | 1392137 |
| Cert Date | 2021-03-15 |
| Catalog Number | 1413a |
| Country | USA |
| Year | 1970 |
| Denom | 6c |
| Color | multicolored |
| Grade | XF-Sup 95 |
| Description | Mint OGnh |
| Opinion | it is a genuine unused, o.g., never hinged, block of four. |
| Cert Link | http://psestamp.com/Cert/1392137 |