| Image Thumbs | |
| Cert Num | 1331309 |
| Cert Date | 2017-05-08 |
| Catalog Number | 531 |
| Country | USA |
| Year | 1919 |
| Denom | 1c |
| Color | Green |
| Grade | XF-Sup 95 |
| Description | Mint OGnh |
| Opinion | it is a genuine unused, o.g., never hinged, bottom right corner margin block of four. |
| Cert Link | http://psestamp.com/Cert/1331309 |