| Image Thumbs | |
| Cert Num | 1228821 |
| Cert Date | 2010-10-21 |
| 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. F 21625 block of six. |
| Cert Link | http://psestamp.com/Cert/1228821 |