| Image Thumbs | |
| Cert Num | 1312174 |
| Cert Date | 2016-02-29 |
| Catalog Number | 483 |
| Country | USA |
| Year | 1917 |
| Denom | 3c |
| Color | Violet |
| Grade | F-VF 75 |
| Description | Used |
| Opinion | it is a genuine used, block of four with siderographer's intitials in the lower left margin and light creases. |
| Cert Link | http://psestamp.com/Cert/1312174 |