Fig. 4From: Analytical studies on medieval lead ingots from Wrocław and Kraków (Poland): a step towards understanding bulk trade of lead from Kraków and Silesia Upland Pb–Zn depositsWrocław, 4 St. Catherine St.. Lead ingot in situ (a) and extracted from the ground (b- topside view, c- bottom view). Markings stamped on the bottom side of the ingot (d, e)Back to article page