Circa 1920 Enamel Charm on Onyx and Freshwater Pearls

Circa 1920 Enamel charm on 14k gold vermeil chain with Onyx and Freshwater Pearls. Lobster clasp. Length: adjustable clasp from 16 to 18-1/2 inches, pendant: 1-1/4 x 1/4 inch. Made in USA