70s Czechoslovakian Multi Colored Rhinestone Pin Reds and Greens

This is a lovely vintage Czechoslovakian pin with multi colored rhinestones in a square of diamond shape. The large Siam red stones are 14mm in diameter and the ovals are 12x10mm. The small round stones are 4.5mm and are called chatons. They are olivine, red, topaz, green tourmaline, jperidot and dark siam. The pin is 2 3/8" wide and 2 3/4" point to point. They are not marked but come right from the Czech Republic. They are from the 70s or 80s.