Mutoscope cards were produced in the 1940s and dispensed by vending machines. They have a distinctive size of 5.25" x 3.25". Which makes them a great item to collect. You can collect many different ones and display them in a photo album for photos with 4 x 6 size.  In great condition! See my other pinup girl mutoscopes  MargosAttic Mutoscopes Free shipping in the USA.