GAI or PSA
 

Posted By: <b>Doug</b><p>Who would anyone suggest for I have my autographs authenticated by and my cards graded by? I have heard quite a bit about each company, but who do they use to look at these items and why should I trust them? Sorry to sound like such a novice

GAI or PSA
 

Posted By: <b>Josh K.</b><p>I dont know who's better at authentication of autographs, but for cards, I wouldnt pick either. I would (and do) use SGC.