Antique Tibetan yin yang silver gold pendant ring

Late 20th century traditional Tibetan Yin & Yang silver & gold pendant with matching silver ring and antique 1920s, 16" silver chain necklace, stamped 925. Antique 1900s solid silver black onyx and ivory white yak bone pendant hand carved with an inner circle of 13k gold, traditional Tibetan makers mark on back, EAC, new silver bail. Antique 1900s silver, onyx & yak bone ring hand carved, no stamp, white inner circle has darkened but could possibly be polished by a professional.