Charlie Wild, Private Detective: Case of the Double Trouble (1952, DuMont Network) 

Live, March 20, 1952, DuMont Network.
The series first aired live on CBS from December 22, 1950, to June 27, 1951 (20 episodes). It was initially on alternate Friday nights, but it moved to every Wednesday night effective the week of April 16. It then aired on ABC from September 11, 1951, to March 4, 1952 (27 episodes). On March 13, 1952, the DuMont Television Network picked the series up for the last three months, with 17 episodes, ending on June 19, 1952. In this episode, Charlie is given $500 to guard a valuable parchment, but he soon finds out that he may have been grossly underpaid.