| Image Thumbs | |
| Cert Num | 1368027 |
| Cert Date | 2019-10-17 |
| Catalog Number | 673 |
| Country | USA |
| Year | 1929 |
| Denom | 4c |
| Color | Yellow brown |
| Grade | Ungraded |
| Description | Mint OGnh |
| Opinion | it is a genuine unused, o.g., never hinged, block of four. |
| Cert Link | http://psestamp.com/Cert/1368027 |