DOES ANYONE KNOW ANY HISTORY OF A COMPANY THAT HAS "VITRIFIED IRON PRODUCTS "
STAMPED ON THE BOTTOM OF THEIR SIGNS?

JUST PURCHASED A PORCELAIN SIEBERLING TIRE SIGN THAT HAD THAT WRITTEN ON THE LOWER RIGHT OF IT. ANY HELP WOULD BE APPRECIATED.

I AM ALSO LOOKING FOR AN 11 INCH BY 15 INCH GAS PUMP CYLINDER. COULD USE A 11 X 15 1/2