Aulerci
Aulerci  was a large Celtic tribe living in Armorica. They wer subdivided into three subgroups called Aulerci-Cenomani and Aulerci-Diablintes and Aulerci-Eburovices.These tribes lived between the lower Seine and lower Loire
 

Potin coin of Aulerci  c. 80-50 BCE.
Obverse: Head facing left.
Reverse: Wild Boar facing right.
Weight: ~ 2.3 grams. Diameter: 15 millimeters.
Reference: SCH/E.103.