Augustus, irregular Gallic(?) mint imitating the Nemausus (Nimes) issue, 10 BC. and later,
imitative Æ Dupondius (or As ?) (25-26 mm / 9,91 g),
Obv.: IM[P] / DIVI F , heads of Agrippa (left, with rostral crown) and Augustus (right, bare), back to back; countermark IMP before Agrippa´s head.
Rev.: [C]OL - NEM , crocodile chained to palm.
cf. RIC 155 ; cf. RPC 523 .
The weight-peaks for regular dupondii of this issue are 14 - 11 g (RIC), 12.5 g (RPC).