| Image Thumbs | |
| Cert Num | 1216076 |
| Cert Date | 2010-01-21 |
| Catalog Number | C21 |
| Country | USA |
| Year | 1937 |
| Denom | 20c |
| Color | Green |
| Grade | Ungraded |
| Description | Mint OGnh |
| Opinion | it is genuine unused, o.g., never hinged, with a small blue ink stain at the top left. |
| Cert Link | http://psestamp.com/Cert/1216076 |