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Dan Wulkan, Memory Lane and the Twinkie that highlighted The National

Cleveland - Memory Lane Auction Director Dan Wulkan joined the cllct set to break down everything he's seeing in the hobby.

What is the future of autographs? Will we ever see books get slabbed the way cards do? What is next for the Type I photo market?

Plus, he sold the world's oldest sealed Twinkie and he reveals who bought it.