Made by the Ideal Dispenser Co. It has a copper line and opening to attach a cold water fountain to the right side.
I do have the key. Pepper Drink Machine 1960s Vintage" is in sale since Tuesday, April 16, 2019. This item is in the category "Collectibles\Banks, Registers & Vending\Vending Machines\Soda". The seller is "stmja6744-klj2yaz" and is located in Grand Prairie, Texas. This item can be shipped to United States.