Home | Edit My Account | Order History | View Shopping Cart Listing of Enamels Vintage Enamel Japanese Enamel Milton Bridge Enamel W.G. Ball Enamel Thompson Lead-Free Enamel Lump Enamel Opalescent Enamel Sample Kits Sunshine Painting Enamel W.G. Ball Lead-Free Painting Enamel Hirosawa Painting Enamels Floral Wafers "Ready to Enamel" Jewelry Metal Foils Hand-Spun Copper Forms Copper Shapes Tools/Books/Supplies Decal Paper for Metal Enamels TE Fusion Glass Listing of Enamels > Vintage Enamel > Thompson Opaques 321 Geneva (op) $4.00 Weight 1 oz ($4.00) 8 oz ($32.00) 16 oz ($64.00) 1847:=:4,1849:=:32,1850:=:64 Quantity: - + Opaque, cataloged, Thompson Enamel for Copper, Silver, Gold, Iron and Steel. This enamel is "medium fusing" and should be fired at 1450 to 1550 degrees F. for approximately 2 to 4 minutes. All Enamel is pre-1990, 80 mesh and lead bearing.