Callaway Big Bertha Diablo Mint Refinished Golf Balls What is a Refinished golf ball? If a golf ball is 100% intact with no cover abrasions or cuts but is just cosmetically stained, then we refinish What is Refinished Mint Quality? We use a modern process which does not affect the performance; The process does however bring up the appearance Interesting fact Did you know refinished golf balls have been formally accepted by the USGA for tournament play