| Image Thumbs | |
| Cert Num | 1283828 |
| Cert Date | 2014-06-04 |
| Catalog Number | 517 |
| Country | USA |
| Year | 1917 |
| Denom | 50c |
| Color | Red violet |
| Grade | Ungraded |
| Description | Mint OGnh |
| Opinion | it is a genuine unused, o.g., never hinged, top margin Plate No. 13654 block of six. |
| Cert Link | http://psestamp.com/Cert/1283828 |