| Image Thumbs | |
| Cert Num | 1306214 |
| Cert Date | 2015-08-17 |
| Catalog Number | K9 |
| Country | USA |
| Year | 1919 |
| Denom | 18c on 9c |
| Color | Salmon red |
| Grade | XF 90 |
| Description | Mint OGh |
| Opinion | it is a genuine unused, o.g., hinged, left margin Plate No. 11773 block of six (the bottom stamps never hinged). |
| Cert Link | http://psestamp.com/Cert/1306214 |