Watch List notes:

Aes Premonetale. AE Cast Ingot, decorated with rosette in incuse square. Central Italy, 4th-3rd century BC. AE. g. 52.72 mm. 0.55 RR. mm. 28x18x17. Very rare and interesting. Superb glossy deep olive green patina. EF.

For bronze objects found with aes rude and early bars, see ICC p.83 ff. and A. M. Murgan, "Heavy metal in hallowed contexts. Continuity and change in aes deposits in Central Italy and Sicily" in "Embodying Value? The Transformation of Objects in and from the Ancient World", BAR International Series 2592, 2014.