| Image Thumbs | |
| Cert Num | 1404144 |
| Cert Date | 2022-03-14 |
| Catalog Number | S3 |
| Country | USA |
| Year | 1956 |
| Denom | 50c |
| Color | Ultramarine |
| Grade | Ungraded |
| Description | Mint OGnh |
| Opinion | it is genuine unused, o.g., never hinged, lower left pane of 100, with Plate No. 165050. |
| Cert Link | http://psestamp.com/Cert/1404144 |