| Image Thumbs | |
| Cert Num | 1237901 |
| Cert Date | 2011-06-27 |
| Catalog Number | 545 |
| Country | USA |
| Year | 1921 |
| Denom | 1c |
| Color | Green |
| Grade | Ungraded |
| Description | Mint OGnh |
| Opinion | it is a genuine unused, o.g., never hinged, top margin Plate No. 13906 and star block of four. |
| Cert Link | http://psestamp.com/Cert/1237901 |