iPhone 4 16GB WHITE FOR SALE OR SWAP ?

Hi i am wanting to sell or swap my white iphone 4 16gb it is in immaculate condition with screen protectors on front and back. Will sell for 300 o.n.o or willing to swap with a decent PHONE or something worth 300. First come first serve it comes with box and a back case It is on Vodaphone Text or call me on 07719332457 will always get back to you :)