iphone 3g 16gb very cheep +

my iphone 3g 16gb it has a small crack at the top of the screen and the lock button does not work but apart from that the phone works just fine and is unlocked also on the latest network 5.0 the phone comes with 2 strong cases one lether and one strong rubber also comes with carger for mains and car and part of the box also manuals there is some small marks on the back of the phone but not to noticable i accept paypal ,cheque ,postal order and cosh on colection i will post for free with recorded delivary any questions please ring 07517107809 thank you uk only