Watch List notes:

SICILY, Acragas, (c.450 B.C.), AE trias or tetrankion, cone shape (18x18x12 mm), obv. eagle standing to left, [A K], rev. crab, underside four dots, (cf.S.1020, SNG ANS 1017, Westermark 1979, 1, HGC 2, 126). Very fine and rare.

Ex Noble Numismatics Sale 59 (lot 1806).
This coinage is one of the first usage of bronze coinage to be issued in the Greek world.