Unfortunately sometimes there were slight color variations from batch to batch in the manufacturing process. The 1 pound bottle provides you with a large amount of a consistent color since these bottles contain there original contents.
Transparent, 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.