Pics can be seen here of the figure in question.
http://forum.rebelscum.com/t1118516/
Here is the Ledy guide section: http://www.imperialgunneryforum.com/t2135p30-the-lili-ledy-guide-discussion-thread-part-1#Leia%20Boushh
My bet is this is a regular kenner figure and possibly a taiwan helmet. I would ask for a refund or at least a partial refund, but he may want you to pay for return shipping if you have to return it and it would have to be tracked. The original auction (assuming this is it http://www.ebay.com/itm/Vintage-Star-Wars-Boushh-LILI-LEDY-Mexico-Action-Figure-RARE-ROTJ-/231498538953?pt=LH_DefaultDomain_0&hash=item35e6635fc9&nma=true&si=5NXX5nuwkuPKBRI2HDQ%252F8yf%252BOms%253D&orig_cvip=true&rt=nc&_trksid=p2047675.l2557) was only $10 so you would probably lose money by having to return it. This is one of those Ledy figures that is better sourced fom a reliable Ledy source. The tells for her plastic color and paint are much better in person than in a pic, but it helps to have pics side by side especially the face as the head is molded in a more tan color than the kenner which is more pink.
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Bryan
I have caviar dreams and McDonald's pockets