JP on a ring is an indicator and this stamp is employed by a well-known jewellery company named Jack Pilatowicz. Jack Launched his company in 2007 in Brisbane, Australia, soon after twenty years of expertise from the jewelry production marketplace. If a ring has P4SR published on it, it means https://onix-casper7710998.blog2news.com/37588717/the-best-side-of-jp88