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| Cert Num | 1374510 |
| Cert Date | 2020-03-20 |
| Catalog Number | 558 |
| Country | USA |
| Year | 1922 |
| Denom | 6c |
| Color | Red orange |
| Grade | XF-Sup 95 |
| Description | Mint OGph |
| Opinion | it is a genuine unused, o.g., previously hinged, bottom margin Plate No. 15893 block of six (the top center stamp PH, others NH). |
| Cert Link | http://psestamp.com/Cert/1374510 |