Iphone 4 white 16gb factory unlocked. ?

i have an iphone 4 16 gb in immaculate condition, i am selling due to an upgrade the reason its a month old is because its a replacement from apple, i dont have the box but have mains charger, usb, portable chager and a while leather flip case. Collection only o.n.o, will consider all offers but please no silly offers and no time wasters. call or text any time of day. need quick sale.