Chalcedony, gold, diamonds
Overall: 5/8 x 1 1/2 x 1 1/8 in. ( 1.6 x 3.8 x 2.9 cm )
Oval black onyx brooch (mourning?) in gold a-jour setting with hinged pin, hook and finding attachments on reverse; diamond-shaped cluster of diamonds at center of obverse.
Gift of Adelaide Milton De Groot
Due to ongoing research, information about this object is subject to change.