Vintage Bow brooch

Vintage Bow brooch textured metal that was probably softer gold tone that has faded with patina and age is more a blend between gold and silver. The smooth parts of center bow and ends have oxidized to dark oil slick colors. Charm of older items! Approx 2.75 by 2” do the bigger size works with large hats or coats. The faded color also make it more subtle. Probably 70’s to 80’s.