Chickadee (1) with Pine Bough Wall Art by Bovano CheshireThe process includes vitreous enamel (which is pulverized glass) applied by hand, using a delicate sprinkling method, layer upon layer, over solid copper. Fired by the intense heat of kilns, the enamels flow and combine. Emerging from the kiln molten ruby red, then cooling to reveal both vibrant and subtle hues of color. This process may be repeated several times before the desired effect is achieved. Glass Enamel on Copper, 5w x 7h, Handcrafted in USA