If it’s an upper case “L” and a lower circumstance “c”, it’s for Louis C Marks who intended jewellery inside the 40s. SETA is a firm that provides trend jewellery. Their jewellery commonly has a CZ plating in excess of silver. CN means that the jewelry is created in China, https://finnuhtcl.blogpostie.com/58194712/an-unbiased-view-of-jp88