If they wont play ball try telling Birmingham trading standards, I know its not nice, but its even worse for an innocent buyer to get stitched!
Heres a couple off google
[b]"tradingstandards@birmingham.gov.uk" Trading Standards - 12 miles NW - Civic Centre St. Peters Square, Wolverhampton, WV1 1RG - 0845 3303313
Dudley Trading Standards - 8.3 miles W - 3 St. James's Rd, Dudley, DY1 1HZ - 0845 3303313