Antique Sterling Silver and Carved Shell Cameo Brooch Art Deco Era

This is a vintage brooch from an estate collection. It has an ornate sterling silver filigree frame accented with round-cut marcasite stones for subtle sparkle. The cameo is a beautiful carved shell cameo, oval cut. It's it's good condition, and it's been gently cleaned, but does have some signs of patina/tarnish and wear. The pin clasp is secure. It is stamped "sterling" on the back. It measures It measures 1.1" by 1.0" It will come in a gift box.