About 15 years ago, someone bought a ton of 1989 Topps Traded sets, pulled the Griffey cards and got them all graded by PSA. I ended up buying almost 3000 Omar Vizquel rookies from him at pennies apiece. He sold off Randy Johnson and Nolan Ryan in big lots as well, but trashed the rest. Over 63,000 Griffey cards from that set have been graded by PSA alone. SGC has "only" graded 6400 in comparison.
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