| Image Thumbs | |
| Cert Num | 1291560 |
| Cert Date | 2014-11-20 |
| Catalog Number | 186 |
| Country | USA |
| Year | 1879 |
| Denom | 6c |
| Color | Pink |
| Grade | Ungraded |
| Description | Mint OGph |
| Opinion | it is a genuine unused, o.g., previously hinged, block of four, lightly toned. |
| Cert Link | http://psestamp.com/Cert/1291560 |