Watch List notes:

THRACO-MACEDONIAN ISSUE UNDER MITHRADATES VI OF PONTUS, in name of Alexander III, (125-65 B.C.), silver tetradrachm, (16.45 g), Odessus mint, posthumous issue struck 100-72 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, **XE in left field, under throne **HDO monogram, to right **BASILEWS*, to left **ALEXANDROU, (cf.S.6713, Price 1200, BMC 1200a-b, Muller 422). Good very fine and rare.

Ex Dr Colin Burnside Collection, and previously from Noble Numismatics Sale 66 (lot 3310).
One of the last posthumous coin types issued in the name of Alexander as king. This issue appeared about 250 years after the death of Alexander the Great.