| Image Thumbs | |
| Cert Num | 1366406 |
| Cert Date | 2019-10-28 |
| Catalog Number | 569a |
| Country | USA |
| Year | 1928 |
| Denom | 30c |
| Color | olive brown |
| Grade | Ungraded |
| Description | Mint OGnh |
| Opinion | it is a genuine unused, o.g., never hinged, block of six on special booklet paper. |
| Cert Link | http://psestamp.com/Cert/1366406 |