Vintage Hershey's Chocolate Penny Bar Vending Machine 1 cent 37 RARE

Vintage Hershey's Chocolate Penny Bar Vending Machine 1 cent 37 RARE candy machine. I don't have the original key, I think there are coins in it but do not know.

I'm gonna cut to the chase on this question before you ask me. I'm no expert with this, so, any Hershey company employee please send me some information on it. Did Hershey come out with it for a Penny then change their mind? I don't know, look at the machine, I don't believe it's a repro. So, gonna list it for a fortune here, hoping to find a key for it so I can open it up.

It weighs 31 lbs unboxed.