| Image Thumbs | |
| Cert Num | 1405452 |
| Cert Date | 2022-03-30 |
| Catalog Number | 1727 |
| Country | USA |
| Year | 1977 |
| Denom | 13c |
| Color | Multicolored |
| Grade | Ungraded |
| Description | Mint OGnh |
| Opinion | it is a genuine unused, o.g., never hinged, pane of 50, the right column of ten with brown and black (engr.) omitted, columns 1-3 normal and column 4 a transition. |
| Cert Link | http://psestamp.com/Cert/1405452 |