| Image Thumbs | |
| Cert Num | 1257247 |
| Cert Date | 2012-11-16 |
| Catalog Number | 555 |
| Country | USA |
| Year | 1923 |
| Denom | 3c |
| Color | Violet |
| Grade | Ungraded |
| Description | Mint OGnh |
| Opinion | it is a genuine unused, o.g., never hinged, top margin Plate No. 16712 block of six. |
| Cert Link | http://psestamp.com/Cert/1257247 |