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| Cert Num | 1400511 |
| Cert Date | 2021-09-30 |
| Catalog Number | BK171a |
| Country | USA |
| Year | 1990 |
| Denom | 25c |
| Color | Blue & Red |
| Grade | Ungraded |
| Description | Mint OGnh |
| Opinion | it is genuine unused, o.g., never hinged, complete booklet of four panes all with white omitted. |
| Cert Link | http://psestamp.com/Cert/1400511 |