This aircraft sounds similar:
DC3/C47A Serial No 43-48225. Accumulated 772 hours with the Army Air Corps Transport Command up until January 1946.
Subsequently:
Jan 46 to Apr 46,
Billy D. Parker of Phillips Petroleum.
Bartlesville, Oklahoma.
8.00 hours.
Apr 46 to Jun 78
P.K. Wrigley of Chicago, Illinois.
Based on Catalina Island,
Avalon Airport, Catalina.
2707 hours.
Jun 78 to Apr 80
Naval Museum,
Pensacola, Florida.
1.00 hour.
April 80 to Jul 86
Robert A. Haefner III, President
GHK Oil Company.
Olahoma City,
247 hours.
July 86
Beat A. Wertli, President
Dream-Aire, Inc.
Wilmington.DE