| Image Thumbs | |
| Cert Num | 1332122 |
| Cert Date | 2017-05-26 |
| Catalog Number | 515 |
| Country | USA |
| Year | 1917 |
| Denom | 20c |
| Color | Light ultramarine |
| Grade | Ungraded |
| Description | Mint OGph |
| Opinion | it is genuine unused, o.g., previously hinged, with a Seattle, Wash precancel and a pulled corner perf at the top left. |
| Cert Link | http://psestamp.com/Cert/1332122 |