If you look at the bid history, it gives the time and date of the bids. The $275 bid was placed two days before the auction ended and before anyone else had bid on the auction. Every bid after that, except for the winning bid would have been automatically outbid by the first bidder. The winning bid and several others were placed within minutes of the auction ending. I've seen that a lot on Ebay auctions. People wait until the last minute to place a higher bid hoping that the previous high bidder either won't be watching or won't have time to place another bid.