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| Cert Num | 1334349 |
| Cert Date | 2017-08-02 |
| Catalog Number | 569 |
| Country | USA |
| Year | 1923 |
| Denom | 30c |
| Color | Olive brown |
| Grade | F 70 |
| Description | Mint OGh |
| Opinion | it is a genuine unused, o.g., hinged, right margin block of four with Plate No. 17559 (the top right stamp never hinged). |
| Cert Link | http://psestamp.com/Cert/1334349 |