| Image Thumbs | |
| Cert Num | 1242972 |
| Cert Date | 2011-11-11 |
| Catalog Number | 661 |
| Country | USA |
| Year | 1929 |
| Denom | 3c |
| Color | Violet |
| Grade | Ungraded |
| Description | Mint OGnh |
| Opinion | it is a genuine unused, o.g., never hinged, lower left margin Plate No. 18803 block of four. |
| Cert Link | http://psestamp.com/Cert/1242972 |