JP on a hoop is a hallmark and this stamp is used by a well-known jewelry organization named Jack Pilatowicz. Jack Launched his firm in 2007 in Brisbane, Australia, immediately after twenty years of experience from the jewellery production market. Therefore, if a hoop has N 925 Cn stamped on https://beauurmfe.blogdun.com/37557879/detailed-notes-on-jp88