50 cent Black Diamond? Unusual?
Hello, is this 50-cent Mills Black Diamond very common? I can't seem to find out anything about the 50-cent vs. the others. Any info? Anyone interested in purchasing? Thanks
Forum for those interested in antique coin operated devices
https://www.coinopcollectorforum.com/
https://www.coinopcollectorforum.com/viewtopic.php?f=9&t=2418