Round brooch in yellow gold (750) featuring a cameo on brown agate with a profile of a woman in an antique-style bun in a scalloped surround of white cultured pearl halves, rose-cut diamonds and black enamel filigree, punctuated by four white cultured pearls. Yellow gold (750) pin. Late 19th century. Gross weight : 15, g. - Diameter: 3.6 cm. Chips and small dent on the reverse.