| Image Thumbs | |
| Cert Num | 1400499 |
| Cert Date | 2021-09-30 |
| Catalog Number | 1631b |
| Country | USA |
| Year | 1976 |
| Denom | 13c |
| Color | Dark blue & red |
| Grade | Ungraded |
| Description | Mint OGnh |
| Opinion | it is genuine unused, o.g., never hinged, top left margin Plate No. block of twelve imperforate. |
| Cert Link | http://psestamp.com/Cert/1400499 |