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| Cert Num | 1336479 |
| Cert Date | 2017-09-11 |
| Catalog Number | C7 |
| Country | USA |
| Year | 1926 |
| Denom | 10c |
| Color | Dark blue |
| Grade | Ungraded |
| Description | Mint OGh |
| Opinion | it is a genuine unused, o.g., hinged, block of four, (the bottom left stamp NH), the top stamps with light toned spots. |
| Cert Link | http://psestamp.com/Cert/1336479 |