Jens/Jeff
This is a link to an eBay item (
Andrew  it is closed 

 )The blade looks somewhat like wootz.  I think the picture has way to much contrast to really show the pattern naturally.  I don't think you could or should cut a bolt with it.   
 http://cgi.ebay.com/ws/eBayISAPI.dll...tem=7178995092
 
http://cgi.ebay.com/ws/eBayISAPI.dll...tem=7178995092
Gene
Update:
Scan down to the bottom of the listing and read some of the questions asked and the answers, also click on the "MORE" links.  I do not read Russian, but the pictures look interesting.