Flipper button insert used on many early Bally, Gottlieb, Stern, Chicago Coin, and Game Plan pinball machines.
Bally reference #C-905.
Gottlieb reference #B-16680.
Classic Stern/Chicago Coin reference #4B-200.
Game Plan reference #03-40013N.
PUT ON YOUR 3D GLASSES TO VIEW THE SECONDARY PICTURE IN 3D!
