| Image Thumbs | |
| Cert Num | 1322371 |
| Cert Date | 2016-10-11 |
| Catalog Number | C23 |
| Country | USA |
| Year | 1938 |
| Denom | 6c |
| Color | Dark blue & carmine |
| Grade | VG 50 |
| Description | Mint NG |
| Opinion | it is a genuine unused, no gum, block of four with horizontal guide line, the stamps with gum on the face not original to the stamps.' |
| Cert Link | http://psestamp.com/Cert/1322371 |