Vintage Coro Iris Brooch in 3D & Silver-tone

Coro jewelry was founded in New York by Cohn & Rosenberg around 1902 & incorporated in 1913. While neither men were designers they knew how to hire talented designers. Francois wan one such designer. He was known for his floral brooch designs. I believe this was on inspired by him. Great Britain mechanical patents have been found in the name of Corocraft from 1961-69. This lovely Iris brooch has that 3D effect with the gentle bend of the petals bringing it to life. Brooch measures 3" x 2" It's marked Coro This brooch is mid-century