View source for 3772 - Mesembria (Alexander the Great) (tetradrachm Heracles/Zeus) over Alexander the Great (MacDonald coll., 92)

{{Overstrike
|Image overstriking coin=Mesembria 807 MacDonald 92.jpg
|Image overstruck variety=Alexander the great tetradrachm.jpg
|Image reference overstruck variety=https://pro.coinarchives.com/a/lotviewer.php?LotID=1953527&AucID=4610&Lot=4198
|Private collection=MacDonald collection, n° 92
|Obverse description=Head of Herakles right, wearing lion skin headdress.
|Reverse legend=BAΣΙΛΕΩΣ AΛΕΞANΔΡΟΥ
|Reverse legend language=Greek
|Reverse description=Zeus enthroned left, holding eagle and scepter. Under the throne, Λ-Α. In left field, Corinthian crested helmet.
|Mint=Mesembria
|Ancient region=Thrace
|Authority=Alexander III the Great (Argead king, 336-323 BC)
|Date from=150 BCE
|Date to=110 BCE
|Period=hellenistic
|Metal=Silver
|Weight=16.48
|Axis=12
|Denomination=tetradrachm
|Standard=Attic
|Coin reference=MacDonald 2009, p. 123, n° 92
|Coin series reference=Price 1991, n° 1027; Karayotov 1994, n° 160-161, 163-164, 166 (period II O23-R79 monogram 25); Callataÿ 2021a, p. 276, n° 5
|Overstruck obverse description=Head of Herakles right, wearing lion's skin (visible: outline of head from back of head to nose).
|Overstruck reverse legend=AΛ(ΕΞΑΝΔΡΟΥ)
|Overstruck reverse description=Zeus seated left holding scepter and eagle. To left, letters and monogram (visible: Zeus's hand and top of scepter, top of Zeus's head, head of eagle, trace of  monogram or letter).
|Overstruck authority=Alexander III the Great (Argead king, 336-323 BC)
|Overstruck date from=220 BCE
|Overstruck date to=180 BCE
|Overstruck period=Hellenistic
|Overstruck denomination=tetradrachm
|Overstruck standard=Attic
|Frequency of overstrikes=frequent
|Level of confidence=sure
}}