| Image Thumbs | |
| Cert Num | 1238322 |
| Cert Date | 2011-07-15 |
| Catalog Number | 542 |
| Country | USA |
| Year | 1920 |
| Denom | 1c |
| Color | Green |
| Grade | Ungraded |
| Description | Mint OGph |
| Opinion | it is a genuine unused, o.g., previously hinged, right margin Plate No. 10152 block of six (the center and bottom stamps never hinged), the bottom right stamps with two short perfs at the bottom right. |
| Cert Link | http://psestamp.com/Cert/1238322 |