17 VINTAGE MILLS NOVELTY CO. Im no key expert, so i will do my best. Will be posting several lots of keys and locks this week. Mills lock # N4076 no key, second lock same size but yale # 0DJ390, small silver keus marked 13 M606, 13M693, 13M286, 13M329. Bigger brass keys marked P20245, P6461, N46492, U4978, P20245, B6006, B2831, P4056, N46492, and 4 more are restamped and hard to read. Search vending, slots, coin operated inv 847. Check my listings for more estate and vintage items. The item “17 VINTAGE MILLS NOVELTY CO. KEYS & locks vending, slots, coin operated inv 847″ is in sale since Tuesday, February 2, 2021. This item is in the category “Collectibles\Casino\Slots\Machines\Antique Coin Slot Machines”. The seller is “srussell24″ and is located in Fennville, Michigan. This item can be shipped to United States.