WP Auctions - Auction Plugin for WordPress
WP Auctions is a plugin that enables you to host auctions on your self hosted WordPress powered blog or website.
Get more information about this plugin by following the demo link and download it by clicking the image.
Demo Link
http://codecanyon.net/item/wp-auctions-auction-plugin-for-wordpress/109252
Also try :-
Note : Please use this theme only for educational and testing purpose. For commercial, buy it from it's official website.