| Image Thumbs | |
| Cert Num | 1344699 |
| Cert Date | 2018-05-30 |
| Catalog Number | 517 |
| Country | USA |
| Year | 1917 |
| Denom | 50c |
| Color | Red violet |
| Grade | Ungraded |
| Description | Mint OGnh |
| Opinion | it is genuine unused, o.g., never hinged, top margin Plate No. 13655 block of six. |
| Cert Link | http://psestamp.com/Cert/1344699 |