JP on a hoop is an indicator which stamp is used by a well known jewellery organization named Jack Pilatowicz. Jack Established his company in 2007 in Brisbane, Australia, soon after 20 years of experience in the jewellery production business. S925 ALE 54 refers to a world normal for sterling https://zionvjsep.tribunablog.com/not-known-facts-about-jp88-51181842