| Image Thumbs | |
| Cert Num | 1347853 |
| Cert Date | 2018-07-30 |
| Catalog Number | C24 |
| Country | USA |
| Year | 1939 |
| Denom | 30c |
| Color | Dull blue |
| Grade | VF-XF 85 |
| Description | Mint OGnh |
| Opinion | it is a genuine unused, o.g., never hinged, block of four. |
| Cert Link | http://psestamp.com/Cert/1347853 |