Stella Angelova Swordplay Sword gif
Adam Rifkin stashed this in Swords!
Awesome sauce is 55 seconds into this:
The martial artist Stella Angelova: http://stellaangelova.com/
jimlast3 made an artistic version of the gif: http://gfycat.com/ReasonableOblongBackswimmer
If you have nver seen the Samurai I, II, II series. Highly recommend.
Thanks, will look for it.