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| Cert Num | 1274587 |
| Cert Date | 2014-01-06 |
| Catalog Number | 567 |
| Country | USA |
| Year | 1923 |
| Denom | 20c |
| Color | Carmine rose |
| Grade | XF 90 |
| Description | Mint OGnh |
| Opinion | it is a genuine unused, o.g., hinged, left margin Plate No. 17429 block of six (the middle stamps never hinged). |
| Cert Link | http://psestamp.com/Cert/1274587 |