| Image Thumbs | |
| Cert Num | 1316998 |
| Cert Date | 2016-05-06 |
| Catalog Number | 537c |
| Country | USA |
| Year | 1919 |
| Denom | 3c |
| Color | Red violet |
| Grade | Ungraded |
| Description | Mint OGph |
| Opinion | it is a genuine unused, o.g., previously hinged, bottom margin Plate No. 9414 block of six (the bottom center, top left and bottom left stamps never hinged). |
| Cert Link | http://psestamp.com/Cert/1316998 |