| Image Thumbs | |
| Cert Num | 1409940 |
| Cert Date | 2022-03-24 |
| Catalog Number | K9 |
| Country | USA |
| Year | 1919 |
| Denom | 18c on 9c |
| Color | Salmon red |
| Grade | Ungraded |
| Description | Mint OGh |
| Opinion | it is a genuine unused, o.g., hinged, bottom margin Plate No. 11775 block of six (the left and right stamps never hinged). |
| Cert Link | http://psestamp.com/Cert/1409940 |