Maxwell Chayat, NJ Modernist Jeweler (1909-1982): Fine Large 18th C Chinese White Jade Round Plaque carved and pierced to form confronting double dragons, flowers and calligraphy. Now mounted in a silver surround marked "Sterling" and "Chayat" with a bone-link sterling silver chain designed by the artist. Good condition. Diameter of white jade 2 7/8 inches (7.2 cm.) X length of silver chain 20 1/2 inches (52 cm.).