I can't seem to find what your looking for. I found a faceless one on ebay, but it's not wire... MANNEQUIN DISPLAY HEAD WHITE FACELESS CASE-12 - eBay (item 160267587860 end time Aug-08-08 08:31:00 PDT)
I personally use a manequin head from the 30's-40's!
I got it on ebay too! LOL