- Cloisonné / Hard Enamel - The original technique was developed by the Chinese more than 6,000 years ago to make prestige ornaments. Cloisonné items stand more as collectible jewels than just basic promotional gifts. Hard Enamel being a glass like material, Cloisonné pins last for a lifetime. Process: Copper stamped with Cloisonne/Hard Enamel *Please note that these designs are for reference only. *Click on product image for enlarged view. (refer to Attachment section) 613 607 606 |