I did - and google came up with;
http://www.puchala-figuren.de/?q=en
But even better, I found the 1/10 scale bust of Princess Victoria-Luise of Prussia, wearing 2nd Leibhussar Regiment Uniform circa 1911, on the Red Lancers website.
http://www.redlancers.com/displaypic.asp?item=25614&hot=
So I'm guessing that they'll have the Mata Hari bust in stock fairly soon.
Historex Agents in the UK have two pages of UP items, but unfortunately, no pictures and no busts - not that I can see anyway.
PM Sent.
Thanks
Harry