Tea ceremony ?

Help requested  

I have no idea who created this print.

 Nor any clue to what we see: a tea ceremony ?

(23 x 47 cm.) 

It is a thoroughly Japanese (Chinese, Korean ?) in subject,  in style and character but also signed and edition numbered  (135/200) it seems to me it almost must have been created by a European artist.

The print was recently found in a large older graphics collection with mainly many fine French and Dutch artists. 

The print is laid-down (glued to a backing board) and the matt (passe-partout ) seems 1940-50s.   

Please send any idea of suggestion to help identify the maker. 

H . A . Sin B

is what I read but this made no sense so far. 

THANK YOU !