Set of lead ingots

These lead ingots were produced in the Roman mines around Cartagena, rich in silver-bearing galena. The mines were leased to private individuals or to societates (companies).Salto de línea These ingots are stamped with tria nomina, alluding in this case to private individuals, but various symbols are also associated with these names, such as crescent moons, a dolphin and an anchor, etc. all of which are understood to be for monitoring purposes. Salto de línea