"A private signing is ideal but looking at the site Rich gave the signatures pretty much match those you've out up. Yes, some TPA's do mass authenticate no question for large sellers; however, I see little difference in the signatures being…"
"Both those companies are authenticating based on who's submitting (i.e. they have an "in" with the company). They simply can't authenticate the signature itself definitively, and they often don't even try. This might be…"
"Ah ok it was psa so I thought they were good. They have a lot of JSA jerseys on that site. Are those as reputable? Thanks for the website I’ll give more of a look. I was in it for the specific jersey/auto combo more than anything. "
"I don't think there' any way to authenticate those signatures, as that scribble can be easily forged. If Giannis' autograph is something you really want, avoid any seller remotely shdy and just stick with a top notch seller who got…"