Ebay
Buy and sell electronics, cars, clothing, apparel, collectibles, sporting goods, digital cameras, and everything else on ebay, the world's online marketplace. sign up and begin to buy and sell - auction or buy it now - almost anything on ebay.com
http://www.ebay.com
Yahoo Auctions
Experience the best auctions marketplace. yahoo! auctions is now free. list your auction for free, host your own images or bid to buy great new and used auction merchandise in collectibles, coins, stamps, books, electronics, toys, apparel, jewelry and many more
http://auctions.yahoo.com