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| Cert Num | 1366410 |
| Cert Date | 2019-10-28 |
| Catalog Number | E13a |
| Country | USA |
| Year | 1928 |
| Denom | 15c |
| Color | deep orange |
| Grade | Ungraded |
| Description | Mint OGnh |
| Opinion | it is a genuine unused, o.g., never hinged, bottom margin Plate No. 16836 block of six on special booklet paper, with light gum bends. |
| Cert Link | http://psestamp.com/Cert/1366410 |