Can “JP” also stand for another place? When “JP” frequently means Japan in jewelry marks, it is critical to take into account the Over-all context and various markings about the piece. The indicating of “JP 88” could vary according to the jeweler, nation of origin, and certain marking system used. https://casper77dijaminjackpotdan44433.madmouseblog.com/17481922/the-basic-principles-of-jp88