Signed 1980's Alexis Ka Memphis Modernist Acrylic Brooch

This is a vintage-style brooch with an abstract design. It features a triangular piece of marbled resin in shades of purple, white, and orange. Atop the triangle are three black beads on a gold wire. The brooch also incorporates a black square frame, open in the center, with two black bars diagonally crossing it, secured by gold wire wrapping.