Apple Iphone 4S 16GB still sealed and Locked to Three +

I am Selling Brand new Iphone 4s 16GB locked to the three network, this is an upgrade on one of my lines but I am happy with my iphone 4, not even opened, still factory sealed, I am based in Hulme, no silly offers or swaps, text me between 8 - 5.30 or email me, will not meet in any dodgy place either, gen reason for sale