| Image Thumbs | |
| Cert Num | 1345511 |
| Cert Date | 2018-06-04 |
| Catalog Number | C23c |
| Country | USA |
| Year | 1938 |
| Denom | 6c |
| Color | Ultramarine & carmine |
| Grade | VF 80 |
| Description | Mint OGnh |
| Opinion | it is genuine unused, o.g., never hinged, top margin Plate No. 21910/F21951 block of four. |
| Cert Link | http://psestamp.com/Cert/1345511 |