I think it's probably Sonia Rykiel, but I'm not confident because I bought it a long time ago and it's been stored away, so I'll call it Sonia Rykiel-style. m(_ _)m I couldn't find any hallmarks or engravings. These are earrings. The rubber part on the back shows signs of deterioration. Vintage-style round earrings with gold decorations and crystal-like stones on a black background. - Design: Round earrings with gold decorations on a black background. - Style: Vintage design Thank you for looking.