| Image Thumbs | |
| Cert Num | 1299040 |
| Cert Date | 2015-03-30 |
| Catalog Number | C8 |
| Country | USA |
| Year | 1926 |
| Denom | 15c |
| Color | Olive brown |
| Grade | XF-Sup 95 |
| Description | Mint OGnh |
| Opinion | it is a genuine unused, o.g., never hinged, bottom margin block of four with Plate No. 18746. |
| Cert Link | http://psestamp.com/Cert/1299040 |