[Illustrated card containing optical illusions]

Title: [Illustrated card containing optical illusions]

Publication: Chicago, Ill.: Color Printing Co., 1950.

Description: A movable illustrated card containing a cheeky optical illusion. A circular cut-out appears to show a woman's rear, but when you lift the flap, the image transforms to reveal that the rear belongs to a pig that the woman is holding. On the verso is another drawing containing a hidden image. On white card stock, with color and black-and-white illustrations. Undated, probably circa 1950. 4 x 2.5 inches. Moderate creasing, toning, and edgewear with a small chip. Good+.