Personally, I think TPG is the biggest scam to come down the pike in a long time. I also can't fathom spending hundreds of thousands (millions?) on a piece of cardboard. Two guys in this article say they fully expect a PSA 10 1952 Mantle card to bring $50, maybe even $100, million
https://www.si.com/mlb/2021/07/06/to...ow-daily-cover
I especially liked what Keith Olbermann had to say:
Graders, says Olbermann, “destroyed the hobby, generally don’t know what the f--- they’re doing and aren’t uniformly honest.”