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| Cert Num | 1309050 |
| Cert Date | 2015-11-17 |
| Catalog Number | QE4a |
| Country | USA |
| Year | 1928 |
| Denom | 25c |
| Color | Yellow green |
| Grade | Ungraded |
| Description | Mint OGnh |
| Opinion | it is a genuine unused, o.g., never hinged, bottom margin Plate No. 17095 block of six. |
| Cert Link | http://psestamp.com/Cert/1309050 |