View source for 21072 - Messana (tetradrachm biga/hare) over Leontini (biga/Apollo) (Stack's Bowers Galleries, Aug. 2017, 20004)

{{Overstrike
|Image overstriking coin=Messana_over_Leontini_Stacks.jpg
|Image reference overstriking coin=https://pro.coinarchives.com/a/lotviewer.php?LotID=1025112&AucID=2003&Lot=20004
|Image overstruck variety=Leontini (under Messana).jpg
|Image reference overstruck variety=https://pro.coinarchives.com/a/lotviewer.php?LotID=890479&AucID=1683&Lot=105
|Sale=Stack's Bowers Galleries (& Ponterio), 2 Aug. 2017, 20004
|Mint=Messana
|Ancient region=Sicily
|Overstruck mint=Leontini
|Overstruck ancient region=Sicily
|Frequency of overstrikes=rare and concentrated
|Level of confidence=strong
}}