If it’s an upper scenario “L” as well as a lower case “c”, it’s for Louis C Marks who created jewelry inside the 40s. SETA is an organization that offers vogue jewellery. Their jewellery ordinarily incorporates a CZ plating about silver. CN implies that the jewelry is made in China, https://jasperxmzmx.blogaritma.com/35106437/facts-about-jp88-revealed