| Image Thumbs | |
| Cert Num | 1368017 |
| Cert Date | 2019-10-17 |
| Catalog Number | 510 |
| Country | USA |
| Year | 1917 |
| Denom | 10c |
| Color | Orange yellow |
| Grade | Ungraded |
| Description | Mint OGnh |
| Opinion | it is a genuine unused, o.g., never hinged, bottom margin Plate No. 10607 block of six. |
| Cert Link | http://psestamp.com/Cert/1368017 |