| Image Thumbs | |
| Cert Num | 1333800 |
| Cert Date | 2017-08-25 |
| Catalog Number | 314 |
| Country | USA |
| Year | 1906 |
| Denom | 1c |
| Color | Blue green |
| 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/1333800 |