| Image Thumbs | |
| Cert Num | 1208834 |
| Cert Date | 2009-09-17 |
| Catalog Number | C9 |
| Country | USA |
| Year | 1927 |
| Denom | 20c |
| Color | Yellow green |
| Grade | VG-F 60 |
| Description | Mint OGh |
| Opinion | it is a genuine unused, o.g., hinged, bottom margin Plate No. 18892 block of six (the right block of four never hinged), with a short perf in the top left stamp. |
| Cert Link | http://psestamp.com/Cert/1208834 |