"The Mystery of the Pocket Watch"
Written by
Charles A. Winter (possible writer and artist)
Released 10/1946
From Super-Mystery Comics v6-2 - 12 pages - A world-wide organization intending to reestablish fascism around the globe is up to no good in South America. A pocket watch handed to a foreign correspondent plays an important role and it is enough to send Uno to Rio. From there things get quite confusing.