JP on a ring is a hallmark which stamp is employed by a popular jewellery company named Jack Pilatowicz. Jack Started his corporation in 2007 in Brisbane, Australia, after twenty years of expertise inside the jewellery production field. S925 ALE 54 refers to a world standard for sterling silver jewelry, https://alexisamyit.designertoblog.com/68026885/the-basic-principles-of-jp88