View source for 25816 - Istakhr (Baydat) (tetradrachm Baydat/enthroned Baydad) over Alexander type (Heracles/Zeus) (Naville Numismatics, 79, Feb. 2023, 168)

{{Overstrike
|Image overstriking coin=Baydat_Naville_Numismatics, _12_Febr._2023, _lot_168.jpg
|Image reference overstriking coin=https://pro.coinarchives.com/a/lotviewer.php?LotID=2173186&AucID=5224&Lot=168
|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=Naville Numismatics, 79, 12 Feb. 2023, 168
|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=16.12
|Diameter=29
|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 description=Zeus seated on stool-throne left, holding eagle on outstretched right hand and sceptre in left
|Overstruck mint=Macedonia (uncertain mint)
|Overstruck ancient region=Macedon
|Overstruck authority=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=sure
|Remarks="Ovestruck on a tetradrachm of Alexander III"
}}