Home > Listing of Enamels > Vintage EnamelClick Image To View Larger 358 Cornflower (op) $6.00 Weight 1 oz. ($6.00) 8 oz. ($48.00) 16 oz. ($96.00) 6057:=:6,6058:=:48,6721:=:96 Quantity: - + Qpaque, 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.