| Image Thumbs | |
| Cert Num | 1316410 |
| Cert Date | 2016-05-10 |
| Catalog Number | 2559k |
| Country | USA |
| Year | 1991 |
| Denom | 29c |
| Color | multicolored |
| Grade | VF 80 |
| Description | Mint OGnh |
| Opinion | it is a genuine unused, o.g., never hinged, pane of 20, black (engr.) omitted. |
| Cert Link | http://psestamp.com/Cert/1316410 |