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| Cert Num | 1274593 |
| Cert Date | 2014-01-06 |
| Catalog Number | 666 |
| Country | USA |
| Year | 1929 |
| Denom | 8c |
| Color | Olive green |
| Grade | XF 90 |
| Description | Mint OGnh |
| Opinion | it is a genuine unused, o.g., never hinged, upper right margin Plate No. 18191 block of four. |
| Cert Link | http://psestamp.com/Cert/1274593 |