| Image Thumbs | |
| Cert Num | 1360590 |
| Cert Date | 2019-05-24 |
| Catalog Number | 227 |
| Country | USA |
| Year | 1890 |
| Denom | 15c |
| Color | Indigo |
| Grade | Ungraded |
| Description | Mint OGnh |
| Opinion | it is a genuine unused, o.g., never hinged, block of four, the bottom left stamp with a light natural gum wrinkle. |
| Cert Link | http://psestamp.com/Cert/1360590 |