Just came across this on ebay - too far away for me, but may be of use to some if you haven't seen it before.
http://shop.ebay.co.uk/bridgesupplycompany/m.html?_trksid=p4340.l2562
http://shop.ebay.co.uk/bridgesupplycompany/m.html?_trksid=p4340.l2562