| Image Thumbs | |
| Cert Num | 1338882 |
| Cert Date | 2017-12-11 |
| Catalog Number | E2 |
| Country | USA |
| Year | 1888 |
| Denom | 10c |
| Color | Blue |
| Grade | Ungraded |
| Description | Mint OGnh |
| Opinion | it is a genuine unused, o.g., never hinged block of four, with vertical perf separations. |
| Cert Link | http://psestamp.com/Cert/1338882 |