JP on a hoop is a hallmark and this stamp is used by a well-known jewelry business named Jack Pilatowicz. Jack Started his business in 2007 in Brisbane, Australia, immediately after twenty years of experience inside the jewellery production field. HK is often a trademark that stands for Harriet Kelsall. https://casper778daftarsitusjudis93691.topbloghub.com/43170627/a-simple-key-for-jp88-unveiled