| Image Thumbs | |
| Cert Num | 1413597 |
| Cert Date | 2022-07-07 |
| Catalog Number | K1 |
| Country | USA |
| Year | 1919 |
| Denom | 2c on 1c |
| Color | Green |
| Grade | Ungraded |
| Description | Mint OGnh |
| Opinion | it is genuine unused, o.g., never hinged, lower left margin block of four with siderographer's initials. |
| Cert Link | http://psestamp.com/Cert/1413597 |