| Image Thumbs | |
| Cert Num | 1375811 |
| Cert Date | 2020-04-21 |
| Catalog Number | K13 |
| Country | USA |
| Year | 1919 |
| Denom | 40c on 20c |
| Color | Deep ultramarine |
| Grade | XF 90J |
| Description | Mint OGnh |
| Opinion | it is genuine unused, o.g., never hinged. |
| Cert Link | http://psestamp.com/Cert/1375811 |