| Image Thumbs | |
| Cert Num | 1413192 |
| Cert Date | 2022-06-28 |
| Catalog Number | 517 |
| Country | USA |
| Year | 1917 |
| Denom | 50c |
| Color | Red violet |
| Grade | VF 80 |
| Description | Mint OGph |
| Opinion | it is a genuine unused, o.g., previously hinged, top margin Plate No. 7042 block of six (the left and right stamps never hinged). |
| Cert Link | http://psestamp.com/Cert/1413192 |