Late 60s/ Early 70s White Enamel Flower Brooch

This is a striking enamel flower brooch circa 1960-70s. It features 2 layers of large 3-dimensional petals. The bottom layer features 3 curved, shiny black enamel petals. It is topped by a layer of 3 curved, shiny white enamel petals that form a raised circle. The center is a black enamel dome. The flower sits on a thin, curved black enamel stem. The flower measures 3¾” H  x  2¼” at the widest point. The brooch is unmarked. It loses with a locking C clasp and is in excellent vintage condition.