| Image Thumbs | |
| Cert Num | 1351823 |
| Cert Date | 2018-10-18 |
| Catalog Number | K8a |
| Country | USA |
| Year | 1919 |
| Denom | 16c on 8c |
| Color | Olive green |
| Grade | Ungraded |
| Description | Mint OGnh |
| Opinion | it is a genuine unused, o.g., never hinged, block of six (3x2), with toned spots on the gum. |
| Cert Link | http://psestamp.com/Cert/1351823 |