| Image Thumbs | |
| Cert Num | 1356327 |
| Cert Date | 2019-01-24 |
| Catalog Number | C22 |
| Country | USA |
| Year | 1937 |
| Denom | 50c |
| Color | Carmine |
| Grade | XF 90 |
| Description | Mint OGnh |
| Opinion | it is a genuine unused, o.g., never hinged, top margin Plate No. 21624 block of six with full wide top selvage. |
| Cert Link | http://psestamp.com/Cert/1356327 |