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| Cert Num | 1409938 |
| Cert Date | 2022-03-24 |
| Catalog Number | K6 |
| Country | USA |
| Year | 1919 |
| Denom | 12c on 6c |
| Color | Red orange |
| Grade | Ungraded |
| Description | Mint OGph |
| Opinion | it is a genuine unused, o.g., previously hinged, right margin Plate No. 13372 block of six (the center and bottom stamps never hinged). |
| Cert Link | http://psestamp.com/Cert/1409938 |