Without challenging the premise that PSA outsells SGC, i don’t think a comparison between these two auctions is all that informative to support that premise. Some collectors lost out on an SGC 60 Duffy AB 460 in September. Two folks who may have been shut out then decide to bid at the same price level on a PSA 4 of the same card a few weeks later, and wind up at nearly the same exact price. Obviously, the SGC sale was informing the PSA sale, but not necessarily because of the grade differential. Could just be that the same folks want a nice AB 460 Duffy, and the actual grade differential - or even condition differential - was not driving the price.
A better comparison would be the same T206 card in a PSA 4 and an SGC 4 selling in the same auction and ending at the same time.
Last edited by T206Collector; 10-12-2018 at 04:07 PM.
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