Vintage Pin/Brooch - Green stone in gold tone ornate setting

Lovely vintage pin/brooch, Pin has large green stone set in gold setting. The setting itself is quite ornate and has a purple round cut stone set at the top and two seed pearls on either side. Very unique. This is vintage costume jewelry. There is some wear commensurate with age on the back side but this is not visible when worn. The pin measures approx. 1 inch tall and 3/4 inch across. Weighs approx. 10.54g (heavy).