Apple Iphone 4 16GB Unlocked and has Warranty !

Apple Iphone 4 16GB Unlocked to all Networks.. Phone is in good condition and is boxed with usb cable and charger. Phone has approx 2/3 months warranty remaining. One minor little issue as you can tell from pics it has a mark on the screen. Do not know how the mark has appeared phone is fully working and has no other problems. 229 or nearest offer Any more info contact me on 07766103365 No timewasters please Thanks