| Image Thumbs | |
| Cert Num | 1236620 |
| Cert Date | 2011-06-03 |
| Catalog Number | 483 |
| Country | USA |
| Year | 1917 |
| Denom | 3c |
| Color | Violet |
| Grade | Superb 98 |
| Description | Mint OGnh |
| Opinion | it is a genuine unused, o.g., never hinged, left margin Plate No. 8143 block of six. |
| Cert Link | http://psestamp.com/Cert/1236620 |