Apple iPhone 4S (white),16gb. ?

Iam selling a brand new Apple Iphone 4s 16gb in white. Its boxed and never been opened. I got it with my upgrade with orange but I dont need it at O the moment. These phones sell for between 500/600 online. I want a quick sale at this price. 400 NO OFFERS AND GENUINE ENQUIRIES ONLY PLEASE. Thanks for looking at my advert.