| Image Thumbs | |
| Cert Num | 1287293 |
| Cert Date | 2014-07-29 |
| Catalog Number | 1774 |
| Country | USA |
| Year | 1979 |
| Denom | 15c |
| Color | chocolate |
| Grade | Ungraded |
| Description | Mint OGnh |
| Opinion | it is a genuine unused, o.g., never hinged, pane of 50, with the Plate Block area pictured below. |
| Cert Link | http://psestamp.com/Cert/1287293 |