View source for 3279 - Mesembria (Alexander the Great) (tetradrachm Heracles/Zeus) over Athens (Athena/owl) (Shoumen, HM, Haralanov coll. 105.5.3)

{{Overstrike
|Image overstriking coin=SO 844 - Mesembria (Alexander the Great).png
|Image overstruck variety=Athena attic helmet .jpeg
|Image reference overstruck variety=https://pro.coinarchives.com/a/lotviewer.php?LotID=11853&AucID=11&Lot=318
|Museum collection=Shoumen, HM, Haralanov Coll. 105.5(3)
|Sale=Kurpfälzische Münzhandlung, 14, 31 may-2 June 1978, lot 12
|Private collection=Haralanov Collection
|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, KO. In left field, Corinthian crested helmet and MA.
|Mint=Mesembria
|Ancient region=Thrace
|Authority=Alexander III the Great (Argead king, 336-323 BC)
|Date from=130 BCE
|Date to=90 BCE
|Period=hellenistic
|Metal=Silver
|Diameter=34
|Denomination=tetradrachm
|Standard=Attic
|Coin series reference=Price 1991, n° 1077 ; MacDonald 2009, p. 213, n° 9. ;  Karayotov 1994, p. 95, n° 358 (O49-R163 monogram 47) ;  Callataÿ 1997a, p. 103, D31/R6b. ; Callataÿ 1993d, p. 336, D31/R6b; Callataÿ 2021a, p. 277, n° 17
|Coin series web reference=http://numismatics.org/pella/id/price.1077
|Overstruck reverse description=(visible: border of dots with feathers (Athens?) in the lower field of the reverse).
|Overstruck mint=Athens
|Overstruck ancient region=Attica
|Overstruck denomination=tetradrachm
|Frequency of overstrikes=frequent
|Level of confidence=weak
}}