View source for 1878 - Gela (tetradrachm biga/man-faced bull) over uncertain type (Savoca Coins Live Online Auction, 7, Feb. 2016, 58)

{{Overstrike
|Image overstriking coin=SO_138_-_Gela_(tetradrachm).jpg
|Sale=Savoca Coins Live Online Auction, 7(#8), 28 Feb. 2016, 58.
|Obverse description=Charioteer driving quadriga to right, wearing a long chiton, holding a kentron and the reins. Above, Nike flying right crowning the horses.
|Reverse legend=CEΛΑΣ
|Reverse legend language=Greek
|Reverse description=Forepart of man-headed bull (the river-god Gelas) to left.
|Mint=Gela
|Ancient region=Sicily
|Date from=420 BCE
|Date to=415 BCE
|Period=Classic
|Metal=Silver
|Weight=17.06
|Diameter=27
|Denomination=tetradrachm
|Standard=Attic
|Coin series reference=SNG ANS 4 Sicily, n° 91.; Jenkins 1970, Group VIII, 469-73 ; HGC 2, n° 355
|Coin series web reference=https://greekcoinage.org/iris/id/gela.jenkins_1970.466-478
|Overstruck denomination=tetradrachm
|Frequency of overstrikes=rare and spread
|Remarks="overstruck" (nb: possibly on Agrigentum)
}}