View source for 21090 - Messana (tetradrachm biga/hare) over Athens (Athena/owl) (Oxford, AM, 1839 - Garraffo 1984, pl. XVII, 13)

{{Overstrike
|Image overstriking coin=Messana_over_Athens_Oxford.jpg
|Image overstruck variety=Messana on Athens - Classical Numismatic Group, 118, 13 Sept 2021, 63 overstruck variety.jpg
|Image reference overstruck variety=https://pro.coinarchives.com/a/lotviewer.php?LotID=1941318&AucID=4571&Lot=190
|Museum collection=Oxford, Ashmolean Museum - SNG, n° 1839
|Obverse description=Charrioteer driving biga of mules right, holding reins. Above, Nike flying left crowning the charioteer. In exergue, laurel leaf.
|Reverse legend=MEΣΣANION
|Reverse legend language=Greek
|Reverse description=Hare springing right. Below, olive spray.
|Mint=Messana
|Ancient region=Sicily
|Date from=460 BCE
|Date to=456 BCE
|Period=Classical
|Metal=Silver
|Weight=16.68
|Denomination=tetradrachm
|Standard=Attic
|Coin reference=Kraay 1969, p. 144, n° p; Garraffo 1984, p. 136, n° 7, pl. XVII, n° 13
|Coin series reference=Kraay 1969, p. 144, n° p; Garraffo 1984, p. 136, n° 7, pl. XVII, n° 13; Caccamo Caltabiano 1993, series VI, n° 296-307 ; HGC 2, n° 780
|Coin series web reference=https://greekcoinage.org/iris/id/messana.caltabiano_1993.296-307
|Overstruck obverse description=Head of Athena right, wearing crested Attic helmet ornamented with three laurel leaves and vine scroll
|Overstruck reverse legend=AΘE
|Overstruck reverse legend language=Greek
|Overstruck reverse description=Owl standing right, head facing; olive sprig with berry and crescent moon behind, all within incuse square
|Overstruck mint=Athens
|Overstruck ancient region=Attica
|Overstruck date from=480 BCE
|Overstruck date to=440 BCE
|Overstruck period=Classical
|Overstruck denomination=tetradrachm
|Overstruck standard=Attic
|Coin series web reference overstruck=https://greekcoinage.org/iris/id/athens.starr_1970.ii.tetradrachm
|Frequency of overstrikes=rare and concentrated
|Level of confidence=sure
}}