If a hoop has P4SR prepared on it, it signifies that it has been made from a mix of white gold and platinum. SETA is a firm that offers trend jewellery. Their jewellery usually provides a CZ plating over silver. M on a hoop denotes Milor, who's an Italian silver https://lanetrixo.ltfblog.com/35654522/the-single-best-strategy-to-use-for-jp88