Watch List notes:

MACEDON, Kingdom of, Alexander III, (336-323 B.C.), silver tetradrachm, (16.89 g), Ake mint, dated civic year 24, issued c.323-322 B.C., obv. head of Herakles to right wearing lion skin with dotted border, rev. Zeus seated on throne to left, eagle in outstretched hand, Phoenician ayin and kaph above date IIII in left field, to right **ALEXANDROU*, (cf.S.6713, Price 3260, BMC 3260, Newell Ake 20, HGC 3, 941). Toned, slightly off centred on the obverse, otherwise very fine, scarce.

Ex Dr. L.J. Sherwin Collection and Spink Australia Sale 27 March 2, 1989 (lot 1098).
The date is very weak and could be up to civic year 29.