Antique 14K yellow gold Turquoise cabochon Swirl Brooch pin 1.5" 8.3g JR9604

Over the century beautiful genuine turquoise brooch pin, open work swirl design, bezel set forty-five (45) turquoise cabochon, range 2.0mm to 5.0mm, they are blue and green turquoise mix give different hue. 1 1/2" wide, C-reverse clasp, 2.0 safety chain with safety pin, weight 8.3 gram, no hallmark, tested for 14K.