| Image Thumbs | |
| Cert Num | 1340729 |
| Cert Date | 2018-01-10 |
| Catalog Number | C75 |
| Country | USA |
| Year | 1968 |
| Denom | 20c |
| Color | Red, blue & black |
| Grade | Ungraded |
| Description | Mint OGnh |
| Opinion | it is a genuine unused, o.g., never hinged, pane of 50. |
| Cert Link | http://psestamp.com/Cert/1340729 |