| Image Thumbs | |
| Cert Num | 1393494 |
| Cert Date | 2021-05-03 |
| Catalog Number | 481 |
| Country | USA |
| Year | 1916 |
| Denom | 1c |
| Color | Green |
| Grade | Superb 98 |
| Description | Mint OGnh |
| Opinion | it is a genuine unused, o.g., never hinged, block of four with a vertical guide line. |
| Cert Link | http://psestamp.com/Cert/1393494 |