View source for 3450 - Chios (Alexander the Great) (drachm Heracles/Zeus) over Chios (Sphinx/incuse square) (CNG, MBS 81, May 2009, 341)

{{Overstrike
|Image overstriking coin=Chios CNG MBS 81 341 (sur Chios).jpg
|Image reference overstriking coin=https://pro.coinarchives.com/a/lotviewer.php?LotID=262854&AucID=391&Lot=341
|Image overstruck variety=Chios 391.jpg
|Image reference overstruck variety=https://pro.coinarchives.com/a/lotviewer.php?LotID=603048&AucID=1091&Lot=602
|Sale=Classical Numismatic Group, MBS 81, 20 May 2009, lot 341
|Obverse description=Head of Herakles right, wearing lion skin headdress. Border of dots.
|Reverse legend=AΛΕΞANΔΡΟΥ
|Reverse legend language=Greek
|Reverse description=Zeus enthroned left, holding eagle and scepter. In field, monogram (MYP) and grapes.
|Mint=Chios
|Ancient region=Ionia
|Authority=Alexander III the Great (Argead king, 336-323 BC)
|Date from=290 BCE
|Date to=275 BCE
|Period=Hellenistic
|Metal=Silver
|Weight=3.93
|Axis=1
|Denomination=drachma
|Standard=Attic
|Coin series reference=Price 1991, n° 2319
|Coin series web reference=http://numismatics.org/pella/results?q=2319
|Overstruck obverse description=Sphinx seated left, amphora surmounted by bunch of grapes before
|Overstruck reverse description=Quadripartite incuse square
|Overstruck mint=Chios
|Overstruck ancient region=Ionia
|Overstruck date from=380 BCE
|Overstruck date to=330 BCE
|Overstruck period=Classical
|Overstruck denomination=drachma
|Overstruck standard=Attic
|Coin series reference overstruck=Sear II, n° 4603; Hardwick 1991; HGC 6, n° 1124-1125
|Coin series web reference overstruck=https://greekcoinage.org/iris/id/chios_hardwick_1991_local_350-330
|Frequency of overstrikes=rare and concentrated
|Level of confidence=strong
|Remarks="Overstruck on a civic issue of Chios (cf. Mavrogordato 57). The face and breast of the sphinx are clearly visible on the reverse in the field above Zeus’ arm" (there is a metrological difficulty in the identification since drachms of Chios are weighing less than 3.93g)
}}