JP on a ring is an indicator and this stamp is used by a famous jewellery enterprise named Jack Pilatowicz. Jack Launched his business in 2007 in Brisbane, Australia, soon after 20 years of experience during the jewelry producing sector. If a hoop has P4SR written on it, it means https://emilianopuzdg.activosblog.com/35640062/the-ultimate-guide-to-jp88