apple iphone 3g 8gb unlocked all networks +

here i am selling my wifes iphone 3g 8gb which she has had from new for 14 months in perfect working order had o2 sim in aswell as vodafone sim and a orange so yea unlocked screen is in good condition only one 2 marks on which when u turn it on you cant see so does not affect it the back of the phone is marked as you can see fron the picture aswell as a crack in the case top right near headphone input but again does not affect the phone in anyway so just put a case on it and your away selling due to my wife upgradeing so get a cheap iphone please any questions text thanks sorry no box or headphone,,,,,,,,,,,,,the is a charger/usb only