http://cgi.ebay.com/ws/eBayISAPI.dll...MEWA:IT&ih=020
 What a strange combination of European blade/scabbard and the hilt!  First, the blade looks older than the scabbard/crossguard. Most intriguingly, the decorations of the hilt use gilding and niello with Turkish/Caucasian motives. I would love to examine it personally, but... alas... 
 Any ideas?