Hi all. Recently I've seen some good items up for auctions without authentication or maybe not rock solid authentication. The auctions all state that if a reputable 3rd party finds issue with it then they would refund the cost. My question is who is a reputable authenticator? I think for bats I've seen john taube and other baseball items dave m. But what about football or basketball? The item in question are basketball shoes. I know the best research would be my own with photo matching but I'm curious to hear any other opinions. Any general thoughts are appreciated.

Thanks
B
Redsoxnation7676@aol.com