Can “JP” also stand for another region? Whilst “JP” usually stands for Japan in jewellery marks, it is important to consider the Over-all context along with other markings on the piece. The indicating of “JP 88” may vary dependant upon the jeweler, region of origin, and distinct marking method used. https://codyhkmor.bloggactivo.com/36088000/5-simple-statements-about-jp88-explained