| Image Thumbs | |
| Cert Num | 1358524 |
| Cert Date | 2019-03-20 |
| Catalog Number | 1520a |
| Country | USA |
| Year | 1973 |
| Denom | 10c |
| Color | blue |
| Grade | XF 90 |
| Description | Mint OGnh |
| Opinion | it is a genuine unused, o.g., never hinged, coil pair, with a Baltimore, MD bureau precancel. |
| Cert Link | http://psestamp.com/Cert/1358524 |