| Image Thumbs | |
| Cert Num | 1237682 |
| Cert Date | 2011-06-21 |
| Catalog Number | RW6 |
| Country | USA |
| Year | 1939 |
| Denom | $1 |
| Color | Chocolate |
| Grade | XF 90 |
| Description | Mint OGnh |
| Opinion | it is a genuine unused, o.g., never hinged, top margin block of four with Plate No. F 141428. |
| Cert Link | http://psestamp.com/Cert/1237682 |