| Image Thumbs | |
| Cert Num | 1228360 |
| Cert Date | 2010-11-02 |
| Catalog Number | 18 |
| Country | USA |
| Year | 1861 |
| Denom | 1c |
| Color | Blue |
| Grade | Ungraded |
| Description | Used |
| Opinion | it is a genuine used, horizontal pair (the right stamp Scott No. 18 and the left stamp Scott No. 20) with black grid cancels. |
| Cert Link | http://psestamp.com/Cert/1228360 |