Watch List notes:

Macedonian Kingdom. Alexander III the Great. 336-323 B.C. AR tetradrachm (37.9 mm, 16.58 g, 12 h). Temnos mint, struck ca. 188-170 B.C. Head of Herakles right, wearing lion's skin headdress / ΑΛΕΞΑΝΔΡΟΥ, Zeus seated left, holding eagle and scepter; in left field, two monograms above knee, oenochoe beneath vine tendril at feet. Price 1687; Müller 964. gFine, a few light marks. 

Struck on a very broad flan