| Image Thumbs | |
| Cert Num | 1327608 |
| Cert Date | 2017-01-06 |
| Catalog Number | 567a |
| Country | USA |
| Year | 1923 |
| Denom | 20c |
| Color | Carmine rose |
| Grade | Ungraded |
| Description | Mint OGnh |
| Opinion | it is a genuine unused, o.g., never hinged, block of four, imperf vertically. |
| Cert Link | http://psestamp.com/Cert/1327608 |