| Image Thumbs | |
| Cert Num | 1223803 |
| Cert Date | 2010-06-03 |
| Catalog Number | 632 |
| Country | USA |
| Year | 1927 |
| Denom | 1c |
| Color | Yellow green |
| Grade | Ungraded |
| Description | Mint OGnh |
| Opinion | it is a genuine unused, o.g., never hinged, left margin block of four with Plate No. 21294. |
| Cert Link | http://psestamp.com/Cert/1223803 |