I have a general question, I'm asking here because I'm planning to attend this show and have never traded bigger cards at a show. I own a 1953 Mantle in a PSA 1. I would really like to upgrade to a 2-4, and would like to trade my card plus cash to make up the difference. Are sellers often receptive to doing deals like this? If I bring my card to the show, what's the likelihood that I'm able to make a deal? Thanks.
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