Elegant oval brooch (4.3 × 3.5 cm) in finely crafted 18k French gold, dating from the Napoleon III period. Three-layer agate cameo featuring a woman’s profile in relief on a black background (not onyx), with a white base layer. Framed with a Greek key enamel design (partially worn, ), adorned with four fine pearls on the side
Weight: 18 g
A refined piece, characteristic of Second Empire taste.