| Image Thumbs | |
| Cert Num | 1325933 |
| Cert Date | 2016-12-06 |
| Catalog Number | 672 |
| Country | USA |
| Year | 1929 |
| Denom | 3c |
| Color | Violet |
| Grade | Ungraded |
| Description | Mint OGph |
| Opinion | it is a genuine unused, o.g., previously hinged, upper left margin block of six (2X3) with Plate No. 18803 (the center and bottom stamps never hinged) and the center and top stamps with a stretched overprint. |
| Cert Link | http://psestamp.com/Cert/1325933 |