1975 ABA Kentucky Colonels at NBA Detroit Pistons Ticket Stub Cobo Arena SHARE ON: russ — July 20, 2016 Tags: 197570'sabaBasketballCobo ArenaDetroit MIDetroit PistonsKentucky ColonelsNBAVintage 1975 ABA Kentucky Colonels at NBA Detroit Pistons Ticket Stub Cobo Arena Winning eBay bid: $5