| Image Thumbs | |
| Cert Num | 1306873 |
| Cert Date | 2015-09-30 |
| Catalog Number | 511 |
| Country | USA |
| Year | 1917 |
| Denom | 11c |
| Color | Light green |
| Grade | Superb 98 |
| Description | Mint OGnh |
| Opinion | it is genuine unused, o.g., never hinged. |
| Cert Link | http://psestamp.com/Cert/1306873 |