| Image Thumbs | |
| Cert Num | 1230077 |
| Cert Date | 2010-11-08 |
| Catalog Number | 550 |
| Country | USA |
| Year | 1920 |
| Denom | 5c |
| Color | Deep blue |
| Grade | Ungraded |
| Description | Mint OGph |
| Opinion | it is a genuine unused, o.g., previously hinged, block of four (the top left and bottom stamps never hinged), the top left stamp with a tiny thin and natural gum skips. |
| Cert Link | http://psestamp.com/Cert/1230077 |