| Image Thumbs | |
| Cert Num | 1335815 |
| Cert Date | 2017-10-12 |
| Catalog Number | 538 |
| Country | USA |
| Year | 1919 |
| Denom | 1c |
| Color | Green |
| Grade | Ungraded |
| Description | Mint OGh |
| Opinion | it is a genuine unused, o.g., hinged, horizontal pair, top margin imperf variety. |
| Cert Link | http://psestamp.com/Cert/1335815 |