Looks like it's from the Asai damascus line. Found at Epic Edge and JCK:
As for which steel it is? No idea.
Hope this helps.
It's a Masami Azai Wa Hocho Santoku 16,5 cm and the core is vg10, if you need more information you just have to ask
thanks guys!! look like the knife market in US as"Asai" & "Masami Azai" in Europe!!