Delaine has a piece currently up for bid here:
http://cgi3.ebay.co.uk/ws/eBayISAPI.dll?ViewUs erPage&userid=artontheunderground
This is for a charity art auction.
She has a variety of media at this gallery:
http://www.nourbakhsch.de/kuenstler/index.php? show=werke&kuenstler=57&lang=eng&pic=7&offset= 0&limit=10#
The gallery contact information is listed on the web page as well.
The Transition Gallery here:
http://www.transitiongallery.co.uk/htmlpages/i nformation.html
...hosted some of their works - a phone call might yield contact information. They are an elusive pair, but some digging should prove successful.