View source for 25825 - Istakhr (Baydat) (tetradrachm Baydat/enthroned Baydad) over Alexander type (Heracles/Zeus) (CNG, 123, May 2023, 332)

{{Overstrike
|Image overstriking coin=Baydat_Classical_Numismatic_Group,_123,_23_May_2023,_332.jpg
|Image reference overstriking coin=https://pro.coinarchives.com/a/lotviewer.php?LotID=2205189&AucID=5303&Lot=332
|Image overstruck variety=Seleucus I Babylon.jpg
|Image reference overstruck variety=https://pro.coinarchives.com/a/lotviewer.php?LotID=2382938&AucID=5852&Lot=59
|Sale=Classical Numismatic Group, 123, 23 May 2023, 332
|Obverse description=Head of Baydad right, with short beard and mustache, wearing earing, satrapal cap (kyrbasia) with flaps tied behind and diadem.
|Reverse legend=bgdt prtrk' zy lhy bgwrt (="Baydad, son of Bagawart, dynast of the Gods")
|Reverse legend language=Aramaic
|Reverse description=Baydād enthroned left, wearing long cloak and kyrbasia, holding sceptre and cup; to left, standard.
|Mint=Istakhr (Persepolis)
|Ancient region=Persis
|Authority=Baydad I of Persis; Kingdom of Persis
|Date from=299 BCE
|Date to=250 BCE
|Period=Hellenistic
|Metal=Silver
|Weight=17.06
|Diameter=30
|Axis=9
|Denomination=tetradrachm
|Standard=Attic
|Coin series reference=Alram 1986, n° 511-513; Klose - Müseler 2008, 2/1; Nelson 2011, n° 557; Van't Haaff 2012, Type 511/514 a
|Coin series web reference=https://greekcoinage.org/iris/id/persepolis.baydad.klose_museler.2008.2.1-2
|Overstruck obverse description=Beardless head of Heracles right wearing lion skin headdress
|Overstruck reverse legend=ΑΛΕΞΑΝΔΡΟΥ BAΣΙΛΕΩΣ
|Overstruck reverse legend language=Greek
|Overstruck reverse description=Zeus seated on stool-throne left, holding eagle on outstretched right hand and sceptre in left
|Overstruck mint=Babylon
|Overstruck ancient region=Babylonia
|Overstruck authority=Seleucus I Nicator (satrap in 321-305 BC and Seleucid king in 305-281 BC); Seleucid Dynasty (312-63 BC); Alexander III the Great (Argead king, 336-323 BC)
|Overstruck date from=332 BCE
|Overstruck date to=300 BCE
|Overstruck period=Hellenistic
|Overstruck denomination=tetradrachm
|Overstruck standard=Attic
|Coin series reference overstruck=Price 1991
|Frequency of overstrikes=frequent
|Level of confidence=strong
|Remarks="Overstruck on an uncertain mint tetradrachm of Alexander III type, likely an issue of Seleukos I"
}}