WANTED!! iPhone 4s, black 16/32gb, unlocked or on orange network!! ?

I need a trustworthy phone for a certain someone. black I phone 4s, 16/32gb either unlocked or on orange. I need it urgently and legitimately as I would want to go through security procedures and also want the reciept if possible. havig a warranty would be essential but depending on how keen I am. My price is from £300ono Also collection is on standby so no need for trouble to come unless you can. Please contact ash on mob or email if anything Thanks