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| Cert Num | 1310471 |
| Cert Date | 2016-01-07 |
| Catalog Number | 537 |
| Country | USA |
| Year | 1919 |
| Denom | 3c |
| Color | Violet |
| Grade | Ungraded |
| Description | Mint OGh |
| Opinion | it is a genuine unused, o.g., hinged, block of four, with tiny thin spots. |
| Cert Link | http://psestamp.com/Cert/1310471 |