Mother of Pearl Flapper Girl Design Vintage Brooch

Vintage approx 1960's Mother of Pearl - Abalone inlay Flapper Girl Design Brooch Black border and black rear material unknown. No manufacturer stamp or markings found Condition: Excellent. Brooch pin in working condition. Overall condition consistent with age In Some photos the neckline appears in pink shades. Due to Mother of Pearl iridescence as the brooch moves/or at different angles the color changes. However, the brooch is in fact in shades of grey, silver, with black hair, and the neckline is white pearl color. Tape measure shows inches & metric centimeters