| Image Thumbs | |
| Cert Num | 1333867 |
| Cert Date | 2017-08-25 |
| Catalog Number | 421 |
| Country | USA |
| Year | 1914 |
| Denom | 50c |
| Color | Violet |
| Grade | XF 90 |
| Description | Mint OGph |
| Opinion | it is a genuine unused, o.g., previously hinged, block of four. |
| Cert Link | http://psestamp.com/Cert/1333867 |