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| Cert Num | 1331664 |
| Cert Date | 2017-05-19 |
| Catalog Number | K15 |
| Country | USA |
| Year | 1919 |
| Denom | $1 on 50c |
| Color | Light violet |
| Grade | Ungraded |
| Description | Mint OGh |
| Opinion | it is a genuine unused, o.g., hinged, right margin Plate No. 7057 block of six (positions 1-3 and 5 never hinged) with natural gum creases. |
| Cert Link | http://psestamp.com/Cert/1331664 |