Hello some unusual blade I found info about yesterday and thought I share it. Perhaps not very bushcraft related... Sword of Goujian more then 2000 years old and still very sharp and almost no sign of time. Found it quite amazing
. https://en.wikipedia.org/wiki/Sword_of_Goujian
http://www.youtube.com/watch?v=M6wcFzBTa7Q
1:15 is a paper cutting test
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http://www.youtube.com/watch?v=KKil2sTMako

http://www.youtube.com/watch?v=M6wcFzBTa7Q
1:15 is a paper cutting test

http://www.youtube.com/watch?v=KKil2sTMako