Vienna, circa 1910
This elegant Art Nouveau era brooch/pin features a multi-layer shell cameo finely carved with a profile of a female wearing a tiara. The cameo is set in an openwork platinum topped 14K gold frame embellished with old rose cut diamonds.
The brooch measures 37 x 31 mm (1 1/2 x 1 3/16 in.)
Marked with fox head Austrian assay mark and ‘A’ for Vienna.