Vintage 1970s Verdura Chalcedony and Amethyst Brooch

Finely crafted in 18k yellow gold with a center Cabochon Chalcedony measuring 22 x 17 mm and four Cabochon Amethysts measuring 12 x 8 mm each.
Signed by Verdura
Circa 1970s
2 3/8 x 2 1/8 inch