apple iphone 4s in white 16gb ?

apple iphone 4s 16gb in white 3 months old is being used at the moment but will be put back to factory settings before sale is on t-mobile/orange contract dont know if it takes any other sims all the usual spec on the 4s this really is a spectacular phone but i dont use it to its full function comes with a leather case and screen protector and origional box this phone is priced to sell no offers 350