How do you really know the true psa population?
In this crazy day and age of T206 uncommon back frenzy, how do you really know what the exact population is of that rare back? So many people advertise in auctions that their card is "1 of 1", or "the highest graded example" of that back. What is unknown is how many examples may be in the dreaded "unknown back" category. Any help on this subject would be greatly appreciated.....
Last edited by CMIZ5290; 07-10-2012 at 05:18 PM.
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