Thanks allot for all the replies. I took the plunge an ordered one. I will share my opinion once it arrives - should within 3 or 4 weeks.
I did a test with photo editing, leaving bolster and modifying (little) the metal profile of the handle (n. 2) I can make the wood handle, in two parts,
Shimatani yanagiba is a work of art.
I own a Yaxell Ran santoku 165mm. I have been using it for years, like the blade but I don't like the handle. It is too big and too heavy for my taste,