JP on a ring is a hallmark and this stamp is used by a well-known jewelry company named Jack Pilatowicz. Jack founded his enterprise in 2007 in Brisbane, Australia, just after 20 years of expertise from the jewelry manufacturing sector. Hence, if a ring has N 925 Cn stamped on https://slotonline52703.blogspothub.com/35857564/a-review-of-jp88