JP on a hoop is a trademark and this stamp is employed by a famed jewellery organization named Jack Pilatowicz. Jack founded his enterprise in 2007 in Brisbane, Australia, just after twenty years of expertise in the jewellery manufacturing industry. S925 ALE 54 refers to an international normal for sterling https://louispgwmb.blog4youth.com/37489699/the-2-minute-rule-for-jp88