| Image Thumbs | |
| Cert Num | 1341734 |
| Cert Date | 2018-01-29 |
| Catalog Number | 535 |
| Country | USA |
| Year | 1918 |
| Denom | 3c |
| Color | Violet |
| Grade | Gem 100J |
| Description | Mint OGnh |
| Opinion | it is a genuine unused, o.g., never hinged, center line block of four. |
| Cert Link | http://psestamp.com/Cert/1341734 |