Ruby Keeler, the singing and dancing star of scores of Thirties musicals, sits atop a bike and gives a wave. Here’s the snipe, stamped August 21, 1934:

“IT’S A GOOD TRICK; RUBY KEELER LIMBERS UP ON HER BIKE BEFORE MAKING A SPEED RUN TO THE WARNER STUDIO TO FILM A DANCE NUMBER FOR HER NEW PICTURE, ‘DAMES.'”