Signed Coro Vintage top Brooch Pin 3 Three Rows of Big Blue AB Aurora Borealis Rhinestones Unique!

Up for sale is a gorgeous, flashy signed Coro vintage brooch or pin. It is made of 3 rows of 6 great big blue aurora borealis rhinestones. They are all prong set. The 4 in the center of the middle row stick up farther than the other ones giving it a 3D effect. Each rhinestone is 1 cm in diameter. Silver tone metal. Signed behind the clasp. Excellent vintage condition. Measures 2 inches across and one inch deep. top