I wish I could make such beautiful works of art. Well done.
Try Ichimonji, as above. Also the Sakai Hamono Museum, where you can also buy knives.
Oh they have some english speakers in the shop too.
Ichimonji mitsuhide is in osaka. Its pretty easy to find too. Very good hocho.
I really couldn't say. The inspiration for this blade came from here: http://www.kitchenknifeforums.com/sh...uction-testing!