Beistle issued these mechanical place cards in at least two packaging variations around 1930. The one shown on page 220 held four: two owls, one ghost and one witch. Beistle assigned this variant stock number 757. The second held 6 place cards, three owls, two ghosts and one witch. This small package has a cello front and was assigned stock number 657. I guess Beistle made a surfeit of owls!
Mark B. Ledenbach's vintage Halloween collectibles blog.