| Image Thumbs | |
| Cert Num | 1202054 |
| Cert Date | 2009-05-22 |
| Catalog Number | 530a |
| Country | USA |
| Year | 1918 |
| Denom | 3c |
| Color | Purple |
| Grade | Ungraded |
| Description | Mint OGh |
| Opinion | it is a genuine unused, o.g., hinged, block of four (the top right and bottom stamps never hinged). |
| Cert Link | http://psestamp.com/Cert/1202054 |