Vintage Signed Aztec Sun Pin Brooch Abalone Shell Rhinestone Silver Tone

Beautifully detailed vintage brooch/pin in an Aztec or sun-motif design, cast in silver-tone metal with intricate etched sunburst panels, black enamel accents, and clear rhinestones set around the border. The center showcases a genuine abalone/paua shell cabochon with gorgeous blue-green iridescence, framed by a beaded silver border.  Signed on the reverse with a maker's mark (cursive signature, see close-up photo — mark not fully legible but present and clearly stamped) Diameter: approximately 1.5 (see ruler photo for exact sizing) Closure: pin-back stick closure on the reverse Material: silver-tone metal with genuine abalone shell center and clear rhinestone accents, black enamel detailing Condition: preowned vintage; please review all photos closely, including the close-up and reverse shots, for exact condition — light surface wear consistent with age  A striking, well-made statement pin with an eye-catching sun/mandala design — great for collectors of tribal-inspired or Southwestern-style vintage jewelry.