Color home movie footage from the set of “The Story of Vernon and Irene Castle” (1939) with Fred Astaire and Ginger Rogers:
https://www.youtube.com/watch?v=SOEcP5AnvLQ
How it looked in the finished film (skip to 1:28 if you don’t want to hear the dubbed dialogue):
https://www.youtube.com/watch?v=do3UO4ORWn0