>>13587872WWE does, but it's not the norm. From what I've read WWE nowadays has several copies of each title at all times. They have ones for house shows (older and more beat up), ones for TV and ones for big events and non wrestling settings (pristine condition). The belts also travel with the crew and not the talent unlike the past. I'm not sure when it changed, but talent were still traveling with belts in the late 90s.
>>13587874no idea. I just remember everyone complaining about the state of the Big Gold in 2013. Wasn't Bryan the last one to have both belts or was it Cena heading into SummerSlam? So that would have been 2014. Oh right it was Cena. He gave the Big Gold to Flair on RAW and that was the last we saw of it from that point on.