They're hard to find, but not THAT hard - I had 
a wing zero custom frontal face that I let go a 
while back in addition to a nice epyon.  Both 
sold on ebay.  You might want to check out Yahoo 
Japan every now and then.  Check this one out:

http://page.auctions.yahoo.co.jp/jp/auction/55479
367

Customs don't get much better...