| Image Thumbs | |
| Cert Num | 1216287 |
| Cert Date | 2010-01-15 |
| Catalog Number | 530 |
| Country | USA |
| Year | 1918 |
| Denom | 3c |
| Color | Purple |
| Grade | Ungraded |
| Description | Mint OGnh |
| Opinion | it is a genuine unused, o.g., never hinged, top left corner margin block of six, with no horizontal perforations between the top stamps and the top selvage. |
| Cert Link | http://psestamp.com/Cert/1216287 |