Watch List notes:

Aes Premonetale. Aes Formatum. Large fragment of a cake-shaped bronze ingot. Central Italy, 8th-4th century BC. Haeb. pl. 6,4. AE. 1661.00 g. RR. 135x96x32mm. Very rare and among the heaviest recorded fragments. Enchanting untouched green brown patina, with rust reddish spots. As cast. ���

This fascinating example has the weight of an Aes Signatum ingot (or Quincussis).