| Image Thumbs | |
| Cert Num | 1371700 |
| Cert Date | 2020-01-16 |
| Catalog Number | 566a |
| Country | USA |
| Year | 1928 |
| Denom | 15c |
| Color | gray |
| Grade | Ungraded |
| Description | Mint OGph |
| Opinion | it is a genuine unused, o.g., previously hinged, right margin Plate No. 17430 and star block of six, special booklet paper variety (the center left stamp PH, others NH). |
| Cert Link | http://psestamp.com/Cert/1371700 |