Further to the discussion that began below on 15th July (by Ian Huntley?) - check the following Ebay selling price. I think I'll have to put my copy up for sale.

Did you manage to buy one, Baylon?

<A HREF="http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&rd=1&item=4750051897&ssPageName=STRK">http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&rd=1&item=4750051897&ssPageName=STRK</A>:MEWA:IT