| Image Thumbs | |
| Cert Num | 1223790 |
| Cert Date | 2010-06-03 |
| Catalog Number | E17 |
| Country | USA |
| Year | 1944 |
| Denom | 13c |
| Color | Blue |
| Grade | Ungraded |
| Description | Mint OGph |
| Opinion | it is a genuine unused, o.g., previously hinged, block of four ( the top left and bottom stamps never hinged), with a perf disc indent in the bottom left stamp. |
| Cert Link | http://psestamp.com/Cert/1223790 |