| Image Thumbs | |
| Cert Num | 1338889 |
| Cert Date | 2017-12-11 |
| Catalog Number | 238 |
| Country | USA |
| Year | 1893 |
| Denom | 15c |
| Color | Dark green |
| Grade | Ungraded |
| Description | Mint OGph |
| Opinion | it is a genuine unused, o.g., previously hinged block of four (the bottom stamps never hinged) with vertical perf separations. |
| Cert Link | http://psestamp.com/Cert/1338889 |