Arverni, Vercingetorix, AV stater. 7.43 g. 52 BC. 

Obv: VERCI-NGETORIXS, bare head of Vercingetorix left with wavy hair.
Rev: Horse leaping left, amphora below.

From the Trésor de Pionsat.
Muret 3774.

Source : Bibliothèque nationale de France
Muret = "Catalogue des Monnaies Gaules de la Bibliothèque Nationale", available from 
gallica.bnf.fr/ark:/12148/bpt6k5759384k.r=Muret%2C+Ernest.langEN