| Image Thumbs | |
| Cert Num | 1365163 |
| Cert Date | 2019-08-09 |
| Catalog Number | RW4 |
| Country | USA |
| Year | 1937 |
| Denom | $1 |
| Color | Light green |
| Grade | Ungraded |
| Description | Mint OGnh |
| Opinion | it is a genuine unused, o.g., never hinged, block of four with natural gum skips the bottom stamps with a horizontal light crease. |
| Cert Link | http://psestamp.com/Cert/1365163 |