JP on a ring is a hallmark and this stamp is used by a renowned jewelry firm named Jack Pilatowicz. Jack Launched his firm in 2007 in Brisbane, Australia, immediately after twenty years of experience from the jewellery production sector. Therefore, if a hoop has N 925 Cn stamped on https://claytonhvfqa.activablog.com/35993767/little-known-facts-about-jp88