Bid Fever - Sports auction service offering a variety of categories. Bid4Sport, U.K. - Autographed memorabilia from the world of sports. Coubertin Olympic Auction - Online auction of a wide variety of Olympic memorabilia.
Sellers list for free.
Que Bid - Specializes in auctioning graded sports cards but also offers sports memorabilia, guitars, computers, and accessories. Smart Executive Auctions - Specializing in sports memorabilia and charity auctions. Sports Collective - Offers collectors a place to buy, sell, and trade cards and memorabilia safely. References are required before selling is allowed. Provides bid tracker.