| Image Thumbs | |
| Cert Num | 1338210 |
| Cert Date | 2017-11-30 |
| Catalog Number | 538a |
| Country | USA |
| Year | 1919 |
| Denom | 1c |
| Color | Green |
| Grade | Ungraded |
| Description | Mint OGph |
| Opinion | it is a genuine unused, o.g., previously hinged, vertical pair, imperf horizontally. |
| Cert Link | http://psestamp.com/Cert/1338210 |