Iphone 4S 16GB Black on T-Mobile (Jailborken) ?

Hi There, I am selling my black iphone 4s on t-mobile which is also jailbroken,Phone is in mint condition and comes with box and all accessories.i put up the Photos of my Phone so you get clear picture of what i am on about. It was as an upgarde from T-mobile and you dont have to worry about its getting blocked as i will give you proof of receipt of upgrade.The reason for selling is to get galaxy s3. The Phone got tiny little mark on top left which is hardly visible,There is no Problem what so ever with the phone. Can meet up at Forestgate,Canning town,UptonPark,Eastham,Stratford. Cash On collection Only!! No Scammers or Time Waster!!.