| Image Thumbs | |
| Cert Num | 1223789 |
| Cert Date | 2010-06-03 |
| Catalog Number | QE3 |
| Country | USA |
| Year | 1928 |
| Denom | 20c |
| Color | Yellow green |
| Grade | Ungraded |
| Description | Mint OGnh |
| Opinion | it is a genuine unused, o.g., never hinged, bottom right corner margin block of four, with a diagonal crease in the lower left stamp and natural gum skips. |
| Cert Link | http://psestamp.com/Cert/1223789 |