| Image Thumbs | |
| Cert Num | 1336542 |
| Cert Date | 2017-10-19 |
| Catalog Number | 541 |
| Country | USA |
| Year | 1919 |
| Denom | 3c |
| Color | Violet |
| Grade | Ungraded |
| Description | Mint OGph |
| Opinion | it is a genuine unused, o.g., previously hinged, top margin Plate No. 9145 block of six (the top right and bottom stamps NH). |
| Cert Link | http://psestamp.com/Cert/1336542 |