| Image Thumbs | |
| Cert Num | 1230431 |
| Cert Date | 2010-12-16 |
| Catalog Number | C20 |
| Country | USA |
| Year | 1935 |
| Denom | 25c |
| Color | Blue |
| Grade | XF-Sup 95 |
| Description | Mint OGph |
| Opinion | it is a genuine unused, o.g., previously hinged, top margin Plate No. 21474 block of six (pos. 1-2, 4-6 are never hinged). |
| Cert Link | http://psestamp.com/Cert/1230431 |