| Image Thumbs | |
| Cert Num | 1368044 |
| Cert Date | 2019-10-15 |
| Catalog Number | 514 |
| Country | USA |
| Year | 1917 |
| Denom | 15c |
| Color | Gray |
| Grade | Ungraded |
| Description | Mint OGh |
| Opinion | it is a genuine unused, o.g., hinged, top margin Plate No. 13281 block of six (bottom stamps H, top center stamp NH others PH). |
| Cert Link | http://psestamp.com/Cert/1368044 |