Antique Victorian Art Nouveau Cast Iron Slag Glass Lamp Base

ANTIQUE VICTORIAN ART NOUVEAU CAST IRON SLAG GLASS LAMP BASE 21″ HIGH, 6 1/2″ BASE, 4″ DIAMETER TOP CAP, 3 1/2″ SHADE HOLE FITTER AS FOUND CONDITION DAMAGED, SEE PIC WHERE IT LOOKS LIKE IT HAS BEEN CUT PARTLY THROUGH STILL USABLE AND VERY STURDY, STABLE QUESTIONS?