VNTG DIOR brooch, gold tone with faux pearl and crystals

Vintage Christan Dior flower brooch featuring a faux pearl in the center and crystals around the edge. The gold tone of the front and edges is in very good used vintage condition. The gold tone of the back has a few ridges that are discolored ( see pic). Brooch has pin with safety closing latch. All crystals are present, though some shine more brightly than others. It is approximately 1.5 inches in diameter. Marked Chn Dior. rs000004