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| Cert Num | 1400744 |
| Cert Date | 2021-10-04 |
| Catalog Number | C23 |
| Country | USA |
| Year | 1938 |
| Denom | 6c |
| Color | Dark blue & carmine |
| Grade | F 70 |
| Description | Mint OGnh |
| Opinion | it is genuine unused, o.g., never hinged, top margin Plate No. 21913/21855 block of four with natural gum skips. |
| Cert Link | http://psestamp.com/Cert/1400744 |