Iphone 4 16GB boxed on T-mobile, maybe all networks latest IOS6, with all accessories mint condition ?

Hi Im selling my mint used iphone 4 16GB. Im selling as i have upgraded to iphone 5. The phone has always been kept in a case and had front and back screen protectors on from day 1! The phone works perfectly and is supplied with box, wall charger, USB cable, instructions, SIM eject pin and a SIM card converter that allows you to put your mini SIM into a normal sized SIM slot. Im in Rainham, Essex. postcode RM13 Cash on collection only. If you have any questions call/txt me on 07960781722.