| Image Thumbs | |
| Cert Num | 1245654 |
| Cert Date | 2011-12-20 |
| Catalog Number | 515 |
| Country | USA |
| Year | 1917 |
| Denom | 20c |
| Color | Light ultramarine |
| Grade | XF 90 |
| Description | Used |
| Opinion | it is genuine used, with a small light crease at the upper left. |
| Cert Link | http://psestamp.com/Cert/1245654 |