So what's the scam? Apparently although my bank would have accepted the draft, it takes 21 days to clear. In the meantime I would have sent the painting and the balance of his money, after deducting shipping costs, to his nominated address and have been well and truly out of pocket! Good job we followed the old Yorkshire motto - "If it sounds too good to be true...it probably is!".
Finally, click on this link and enjoy some 'proper' music - a good old fashioned rocker from the Beatles.