I don't think this is a photo of Paul's actual bass guitars. I think these are exact replicas owned by someone.
Omni, Atlanta, GA May 18, 1976, Feb. 17, 1990
GA Dome, Atlanta, GA May 1, 1993
Philips Arena, Atlanta, GA May 12, 2002
FedEx Forum, Memphis, TN May 26, 2013
Philips Arena, Atlanta, GA Oct. 15, 2014
Infinite Energy Center, Duluth, GA July 13, 2017
Bon Secours Arena, Greenville, SC May 30, 2019