A rare French King Louis Philippe era sardonyx cameo brooch. The cameo is carved in high relief with a classical female bust and set in a large ornate 18K gold and cobalt blue enamel frame. The cameo is dated on the back ‘1842’.
Size of the cameo 32 x 21 mm (1 1/4 in. x 13/16 in.)
Overall size 50 x 39 mm (1 15/16 x 1 1/2 in.)
Weight 21.3 grams
Marked on pin guard with French eagle’s head assay mark.