Samsung Galaxy S3 White Unlocked for swap +

I have a Unlocked Galaxy S3 in white in excellent condition fully boxed swap for iphone 4 or 4s in white Factory unlocked or o2 and a bit cash my way as this is higher spec and newer than iphone. 4 or 4s No yahoo.com scammers i will not respond so dont bother trying Please note i will not take payment via paypal and post must be cash on collection Not after swapping for anything else may take cash but no daft offers as i know the value. These are selling for 340 to 380 on ebay