| Image Thumbs | |
| Cert Num | 1238845 |
| Cert Date | 2011-07-29 |
| Catalog Number | 648 |
| Country | USA |
| Year | 1928 |
| Denom | 5c |
| Color | Dark blue |
| Grade | Ungraded |
| Description | Mint OGnh |
| Opinion | it is a genuine unused, o.g., never hinged, upper right margin Plate No. 18908 block of four. |
| Cert Link | http://psestamp.com/Cert/1238845 |