JP on a ring is a hallmark which stamp is employed by a well-known jewellery business named Jack Pilatowicz. Jack Established his company in 2007 in Brisbane, Australia, following twenty years of experience from the jewellery producing field. S925 ALE 54 refers to a world common for sterling silver jewelry, https://dantethsep.shotblogs.com/the-definitive-guide-to-jp88-50823721