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| Cert Num | 1231332 |
| Cert Date | 2010-12-29 |
| Catalog Number | 498a |
| Country | USA |
| Year | 1917 |
| Denom | 1c |
| Color | Green |
| Grade | Ungraded |
| Description | Mint OGh |
| Opinion | it is a genuine unused, o.g., hinged, block of four, the top stamps with a thin. |
| Cert Link | http://psestamp.com/Cert/1231332 |