Maker’s mark databases: On the net sources and databases typically compile and doc maker’s marks used by jewelers around the world. Admin2 many years ago2 a long time ago09 mins Ever spotted the cryptic “JP 88” inscription on your favorite ring and questioned what it meant? You’re not on your own! https://griffinujten.activosblog.com/35633920/jp88-can-be-fun-for-anyone