iPhone 3GS 8GB UNLOCKED Boxed with all orignal wires will take less if gone sooner! !

i have an iphone 3gs with all original wires and box good condition, the usual wear and tear but nothing major just a few scratchs, will take 125 ono cash! or will swap for a decent android phone, SERIOUS OFFERS PLEASE. no blackberrys and no timewasters.