| Image Thumbs | |
| Cert Num | 1422185 |
| Cert Date | 2023-02-06 |
| Catalog Number | 511 |
| Country | USA |
| Year | 1917 |
| Denom | 11c |
| Color | Light green |
| Grade | Ungraded |
| Description | Mint OGnh |
| Opinion | it is genuine unused, o.g., never hinged, bottom margin Plate No. 12577 block of six. |
| Cert Link | http://psestamp.com/Cert/1422185 |