Opaque, cataloged, Thompson Enamel for Copper, Silver, Gold, Iron and Steel. This enamel is "medium fusing" recommended firing at 1450 to 1550 degrees F. for approximately 2 to 4 minutes based on preference. All Enamel is pre-1990, 80 mesh and lead bearing.
 "904 Coral (op) *16 ozs. are available*")