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| Cert Num | 1271930 |
| Cert Date | 2013-10-11 |
| Catalog Number | 830 |
| Country | USA |
| Year | 1938 |
| Denom | 30c |
| Color | Deep ultramarine |
| Grade | XF 90 |
| Description | Mint OGnh |
| Opinion | it is a genuine unused, o.g., never hinged, lower right margin Plate No. 23116 block of four. |
| Cert Link | http://psestamp.com/Cert/1271930 |