| Image Thumbs | |
| Cert Num | 1344690 |
| Cert Date | 2018-05-30 |
| Catalog Number | 438 |
| Country | USA |
| Year | 1914 |
| Denom | 20c |
| Color | Ultramarine |
| Grade | Ungraded |
| Description | Mint OGnh |
| Opinion | it is a genuine unused, o.g., never hinged, left margin Plate No. 6908 block of six. |
| Cert Link | http://psestamp.com/Cert/1344690 |