JP on a hoop is a trademark and this stamp is used by a well-known jewellery business named Jack Pilatowicz. Jack Started his company in 2007 in Brisbane, Australia, soon after twenty years of experience during the jewellery production market. S925 ALE 54 refers to a global regular for sterling https://casper77daftarsitusjudisl34678.mybuzzblog.com/16693922/the-2-minute-rule-for-jp88