Posted By:
PaulPaulPaulFor 34 Goudey Greenbergs in Ex condition, I think price guides will remain valid. These change hands often enough that a market price can be estimated. But for cards that rarely change hands in public, price guides have become useless. A new market price is set each time the card changes hands. And I'm not talking just about Four Base Hits Kellys. This now seems to be true for E98 Macks.