American Flag Pin - Cloisonné Hard Enamel

American Flag Pin - Cloisonné Hard Enamel Cloisonné is an ancient metal working technique developed centuries ago in China during the Ming dynasty. The craft is a multi-step enamel process used to produce jewelry, vases, and other decorative items. Also called hard enamel, cloisonné lapel pins are true jewelry grade products and are often viewed as collectibles. There simply is no higher quality lapel pin or greater perceived value then cloisonné hard enamel. Die Struck form solid brass or copper, plated in 14 karat gold, hand polished and enamel color filled.