iPhone 4S 16GB Black £350 ono ?

I Have for sale my iPhone 4s 16 gb black for sale. comes with charger, stand, wall plug. good condition, with black carbon fibre vinyle back cover. comes in box with all manuals for your security and mine cash on collection from my home address selling due to upgrade to S3. willing to trade for what you have? please contact me on 07429276493