The Mills Target Practice Trade Stimulator from circa 1920 is a rare and fully restored piece of casino memorabilia. Manufactured in the United States, this trade stimulator is a unique collectible item for enthusiasts of vintage gaming history. With its intricate design and historical significance, this piece serves as a valuable addition to any collection of gaming artifacts. Mills penny TARGET trade stimulator circa 1920 "A Game of Skill" the coin drop trade stimulator. It works and comes with a working key. Manufactured by the Mills Novelty Co. of Chicago. Measures 19" tall x 14" wide x 8 1/2" deep. This stimulator is in excellent condition, having been completely restored. Drop a penny in the slot, push the lever on the right to nudge or pop the coin on to the playing field where it drops down, bouncing off the posts until it comes to rest in one of the eleven slots at the bottom or three on the side. Business since 1979