| Image Thumbs | |
| Cert Num | 1393986 |
| Cert Date | 2021-05-07 |
| Catalog Number | 517 |
| Country | USA |
| Year | 1917 |
| Denom | 50c |
| Color | Red violet |
| Grade | XF 90 |
| Description | Mint OGnh |
| Opinion | it is genuine unused, o.g., never hinged, with a small internal gum crease. |
| Cert Link | http://psestamp.com/Cert/1393986 |