From another web search on Colossal Auctions:
35 YEARS EXPERIENCE AS MICHIGAN'S PREMIERE SPORTS CARD AND COLLECTIBLES DEALER. 3 TIME SPONSOR OF THE NATIONAL SPORTS COLLECTORS CONVENTION. PROMOTER OF OVER 300 SPORTS CARD AND COLLECTIBLES SHOWS.
Reverse phone lookup brings you to a Barbara J Fisher. Any one heard of her?
This person appears to be involved as well.
http://www.facebook.com/pages/Sports..._edit_sections
Rick Behar is the owner.
http://www.manta.com/c/mmdzs5z/sportscard-central