Ariminum, Umbria. AE27 cast semiuncia. 20.17 g. 268-225 BC. 

Bust of Gaul right. 
Scallop shell. 

Vecchi ICC, 234; Rutter HN Italy 7.
Very Rare.

Sold by Bertolami Fine Arts ACR Auctions E-Auction 38, Lot 11, Dec 2016