Very cool find due to melting ice. Not quite on par, or as old, as Otzi, but cool gear none the less!
http://www.livescience.com/40071-neolithic-bow-and-arrow-revealed-in-melting-snow.html
Wait, that isn't a single bevel 3:1 ratio head!
Unfortunately I get a Malware warning when I go to your linked sight. A search turned up the story, and also produced a Malware warning.