If it’s an upper case “L” along with a reduce case “c”, it’s for Louis C Marks who designed jewellery from the 40s. However, this interpretation is more unlikely, as “JP” alone doesn’t commonly signify a certain steel conventional. Should I be concerned if my jewellery doesn’t have any marks? https://judiboladanslotonlineterp69124.blog2learn.com/84534499/an-unbiased-view-of-jp88