Watch List notes:

CENTRAL ITALY, uncertain mint. 5th-4th century BC. Æ "Ramo Secco" fragment (1049 g). Large fragment of ingot bar with border on longer edge. Traces of fishbone pattern. Ferruginous copper. Brown rusty patina. Very rare. Cf. F. Panvini Rosasti, Il ripostiglio di Castelfranco Emilia nuovi elementi, Emilia Romana 6, 1970, fig. 13, ICC 4, 5, 6 or 8, Haeberlin pl. 8, Ex Numismatica Ars Classica, auction 7, 01-02.03, 1994, lot 421