Central Gaul, The Sequani AR Quinarius, 12 mm, 1.96 g, ca. 70-50 BC. 

Q DOCI, Helmeted head of Roma left.
Q DOCI above SAM F below (AM ligate), Horse galloping left. 

BMC II 346; DLT 5405; Depeyrot, NC IV 269.

With permission of cngcoins.com, auction 368, lot 173, Feb 2016.