| Image Thumbs | |
| Cert Num | 1213276 |
| Cert Date | 2009-12-01 |
| Catalog Number | 511 |
| Country | USA |
| Year | 1917 |
| Denom | 11c |
| Color | Light green |
| Grade | Ungraded |
| Description | Mint RG |
| Opinion | it is genuine unused, REGUMMED, with altered color. |
| Cert Link | http://psestamp.com/Cert/1213276 |