| Image Thumbs | |
| Cert Num | 1280434 |
| Cert Date | 2014-02-28 |
| Catalog Number | 537 |
| Country | USA |
| Year | 1919 |
| Denom | 3c |
| Color | Violet |
| Grade | Ungraded |
| Description | Mint OGph |
| Opinion | it is a genuine unused, o.g., previously hinged, left margin Plate No. 9418 block of six (the bottom left and right stamp never hinged). |
| Cert Link | http://psestamp.com/Cert/1280434 |