| Image Thumbs | |
| Cert Num | 1217130 |
| Cert Date | 2010-01-25 |
| Catalog Number | 666 |
| Country | USA |
| Year | 1929 |
| Denom | 8c |
| Color | Olive green |
| Grade | XF 90 |
| Description | Mint OGph |
| Opinion | it is a genuine unused, o.g., previously hinged, lower left corner margin Plate No. 18192 block of four (the bottom stamps never hinged). |
| Cert Link | http://psestamp.com/Cert/1217130 |