Vintage Marcel Boucher Silver Conch Shell Brooch - Rare

Vintage Boucher silver tone conch seashell brooch pin. Large size shell brooch about 3 inches in length and almost 2 inches in width at the widest part. Grooved silver tone front with gold backing. Signed Boucher on the back. Rare piece! Shows mild wear, see close up for details. Otherwise very good pre-loved condition.