| Image Thumbs | |
| Cert Num | 1413898 |
| Cert Date | 2022-07-05 |
| Catalog Number | 569 |
| Country | USA |
| Year | 1923 |
| Denom | 30c |
| Color | Olive brown |
| Grade | Ungraded |
| Description | Mint OGnh |
| Opinion | it is genuine unused, o.g., never hinged, left margin block of four with Plate No. 17448. |
| Cert Link | http://psestamp.com/Cert/1413898 |