Often Early German Lusterware is Confused with Nippon:  In the period before World War II Japanese Export porcelain imitated German "deco" design.  Today the art deco wares of Nippon are highly prized (and valued); while, ironically, the German "originals" often remain overlooked. 
     Rumor is that several books are in the works on made in "Germany," "US Zone," and "West Germany" collectables.
     One may think the lustreware pictured is from Japan - maybe Noritake or Nippon - but in truth it is of German origin.  The mark "PK" in a triangle is one way of identifying the piece, and at $39.50 it is priced below similiar pieces of Japanese lustreware. To shop for lusterware and thousands of other antiques: