Vintage early 70's Celtic-inspired brooch green glass & pearls signed TACOA

This exquisite gold brooch features a circular shape with a stylized flower design and intricate filigree detailing. The piece showcases three intertwining loops that create a symmetrical spiral, highlighted by a central pale green glass stone that adds a subtle contrast. It looks like Connemara marble. The textured metal work catches the light beautifully, enhancing its rich appearance. TACOA.