Small card from the Peerless Vending and Weighing Machine. This card features Betty Grable on one side, and the user's weight and fortune on the other (139 pounds as of July 28, unknown year, and "YOU believe in fair play and in giving the other person an equal chance")
If you've never seen these vintage fortune and weight telling machines, they look like this:
Found in "The Phantom Treasure" by Harriet Pyne Grove. Published by Saalfield, 1928.