Vintage Enamel Fan Pendant

Measuring app. 1 5/8 wide (when open) x 1 1/8 inches high (including bail), featuring nine, light blue-green enamel* panels, fashioned in 18k. Suspended from 16 inch chain. Indecipherable hallmark. Early to mid 20th century.*Although vitreous enamel forms a hard, durable surface, it is susceptible to chipping and breaking upon impact.