Up for auction is a NEW SET OF MATCHING LOCKS AND KEYS (see 1st picture) that works very well as REPLACEMENTS for the original locks on YOUR Duncan model 50 Parking Meter........ IF it has the STANDARD ENTRY DOOR AND COIN BOX as pictured. Please look at the additional pictures to make sure that you have the same style of entry door and coin box (if you have a different style of door and coin box, please see my other auctions). YOU ARE BIDDING ON THE LOCKS AND KEYS IN THE 1st PICTURE ONLY! THE ADDITIONAL PICTURES ARE TO HELP YOU DETERMINE IF THE LOCKS AND KEYS WILL WORK IN YOUR DOOR AND YOUR COIN BOX! If you do not find what you are looking for in my listings, please let me know what you are needing, and I will get it listed on Ebay for you! Thank you for your interest, if you are not sure about something, please ask!