I was gifted one of these from a coworker, it's been sitting in an antique shop for many many years and used as a coffee table. All in all pretty great shape, more pictures and details to come.

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The payout mech is not frozen, from what I can tell you risk your 5 cents, it lands in a hole which creates a contact and the payout clicks out to what you earned, then when you close it out it pays out. I would love to get the payout piece working, but I'll probably focus on getting the mechanics smooth from inserting a nickel to being able to launch a ball.