| Image Thumbs | |
| Cert Num | 1387738 |
| Cert Date | 2021-02-04 |
| Catalog Number | 538 |
| Country | USA |
| Year | 1919 |
| Denom | 1c |
| Color | Green |
| Grade | Ungraded |
| Description | Mint OGnh |
| Opinion | it is a genuine unused, o.g., never hinged, top margin Plate No. 13575 block of six, with natural straight edge at the right. |
| Cert Link | http://psestamp.com/Cert/1387738 |