JP on a hoop is an indicator and this stamp is employed by a well-known jewellery company named Jack Pilatowicz. Jack Started his business in 2007 in Brisbane, Australia, right after 20 years of expertise within the jewelry manufacturing field. If a hoop has P4SR published on it, it means https://landenjloqr.prublogger.com/35887344/jp88-things-to-know-before-you-buy