This is an utsushi of a tsuba by the 4th Kanshiro master. It was made last month in my studio by a victim ....I mean student from Brazil, Remo Souza Nogueira. The material is home made tamahagane. I was very impressed with the steel and it responded very nicely to some experimental processes I've been developing that emulate the sort of finish we see on the original works. It would seem the design was actually conceived by the first master, Nishigaki Kanshiro. There are at least 2 exa