iPhone 4S 32gb UNLOCKED Black ***MINT CONDITION*** FREE CASE WORTH £30 ?

Hi I am selling a mint condition iPhone 4S 32gb Black on O2 this phone has hardly been used no marks what so ever and comes with the original Charger & Cable all in the Box. I am also giving away a New self standing case with D3 technology to protect against those bumps and scraps worth 30. This iPhone 4S 32gb In the shops is 600 so grab your self a BARGAIN!!!!! Thanks hope to hear from you soon.