| Image Thumbs | |
| Cert Num | 1213821 |
| Cert Date | 2009-12-21 |
| Catalog Number | C72 |
| Country | USA |
| Year | 1968 |
| Denom | 10c |
| Color | Carmine |
| Grade | Ungraded |
| Description | Mint OGnh |
| Opinion | it is a genuine unused, o.g., never hinged, upper left corner margin block of eight, including the upper left corner margin Plate No. 29475 block of four. |
| Cert Link | http://psestamp.com/Cert/1213821 |