If it’s an upper case “L” as well as a decrease scenario “c”, it’s for Louis C Marks who intended jewellery from the 40s. SETA is a company that gives style jewellery. Their jewelry commonly provides a CZ plating over silver. CN implies that the jewellery is manufactured in China, https://cruzqldul.kylieblog.com/37604403/the-basic-principles-of-jp88