1965: British airline BOAC used the leggiest blonde in town to promote extra legroom on it's VC-10 aircraft.
Jerry Plucer-Sarna photographed Dietrich reclining with a good book (Rebecca) on one of the airline's seats -- but the ad campaign was grounded in Germany when a focus group there "associated Marlene Dietrich with a hatred of Germany", according to BOAC's German reps. Besides, they said, it was thought uncouth for a granny (glam or non) to show so much leg. Bemused bowler hats in London thought the "idea of Miss Dietrich's legs becoming an international incident is ridiculous. They are above politics."
By 1969, when the ad was being run in Los Angeles, someone seems to have changed Marlene's shoes to something more matronly: