Monogram Coin Necklace-A. An initial charm and multifaceted stone hang gracefully from a fine-gauge gold-plated chain. Lobster clasp. Approximate dimensions: Chain: 16" with 2" extender. Approximate pendent length: 0.5". 22K gold-plated brass. Round "A" charm and dark amethyst teardrop. Hand crafted in the USA A Monogram Charm Necklace, Purple.