JP on a hoop is an indicator which stamp is used by a well-known jewellery firm named Jack Pilatowicz. Jack Started his company in 2007 in Brisbane, Australia, just after twenty years of expertise during the jewelry manufacturing field. Consequently, if a hoop has N 925 Cn stamped on it, https://casper7712222.ivasdesign.com/58050879/the-2-minute-rule-for-jp88