Open Question:
The only recovered money from the Cooper heist was what Ingram found on the shoreline of the Columbia River in 1980. If Cooper lived through the jump and spent some of the money, would any of those $20 bills have made their way back to the U.S. Treasury Department when old bills are recalled by the government? Would any of those old, recalled bills be identifiable by serial numbers years later? Snowman, Georger, 377, Orange, others, ............?