Apple Iphone 3G 16GB on O2 ?

apple iphone 3g 16gb comes with box charger data cable screen protector sim removal tool case manual in good condition with absolutely no marks or scratches on the screen. the wee silent button at side does not work. you dont really need it as you can put it on silent in settings and absolutely everything else works 100% including calls, wifi, speakers etc and can be shown working 75 no offers please . its a fair price