| Image Thumbs | |
| Cert Num | 1267197 |
| Cert Date | 2013-06-20 |
| Catalog Number | 648 |
| Country | USA |
| Year | 1928 |
| Denom | 5c |
| Color | Dark blue |
| Grade | Ungraded |
| Description | Mint OGph |
| Opinion | it is a genuine unused, o.g., previously hinged, lower right margin Plate # 18908 block of four (the bottom stamps never hinged), the bottom left stamp with an added perf at the left. |
| Cert Link | http://psestamp.com/Cert/1267197 |