Vintage Pinwheel Star Shaped Rhinestone Brooch w/ Two Tone Green Blue & Yellow

Vintage rhinestone brooch featuring a pinwheel star shape and colorful stones. Two tone green/blue stones are mixed with plain green and pops of yellow. Open back design with a gold tone finish, it likely dates to the 1950s or early 1960s. Unsigned. In very good vintage condition. There are signs of age and use with wear to the gold finishes. No broken stones to note and they all have nice color. The pin has quite a bit of wear with some corrosion/rust looking patina though it doesn't seem to be coming off. Please see all the pictures for details. Measurements are as follows and are approximate: Length- 2 1/8" Width- 2 1/8"