JP on a hoop is a hallmark and this stamp is utilized by a well-known jewellery business named Jack Pilatowicz. Jack founded his enterprise in 2007 in Brisbane, Australia, after 20 years of experience while in the jewellery production industry. Hence, if a hoop has N 925 Cn stamped on https://safety00998.bloggosite.com/44085300/the-2-minute-rule-for-jp88