JP on a ring is a hallmark which stamp is used by a well known jewelry firm named Jack Pilatowicz. Jack Established his firm in 2007 in Brisbane, Australia, after 20 years of experience within the jewelry producing business. If a ring has P4SR prepared on it, it ensures that https://manuelpfser.theblogfairy.com/36001419/not-known-details-about-jp88