Bogus as all get out, but a legit version of this idea (not an auction) that involved riddles for people to figure out the location of buried vintage treasure boxes (and not necessarily ultra-expensive cards) would, I think, capture the imagination and time of some of us. Here is a link to something in this line that was created in the 1980's that could serve as a framework for a potential baseball card treasure hunt:
https://en.wikipedia.org/wiki/The_Se...treasure_hunt)
Brian