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| Cert Num | 1314932 |
| Cert Date | 2016-04-18 |
| Catalog Number | C22 |
| Country | USA |
| Year | 1937 |
| Denom | 50c |
| Color | Carmine |
| Grade | Ungraded |
| Description | Mint OGnh |
| Opinion | it is a genuine unused, o.g., never hinged, top margin Plate No. 21624 block of six with full wide selvage. |
| Cert Link | http://psestamp.com/Cert/1314932 |