Bithynium, Bithynia. AE 24mm, 6.4 gr, 59 BC. C. Papirius Carbo, Proconsul.

Obv: BIQUNIEWN, head of young Dionysos right, wreathed with 
ivy; DKS (= local year 224) before. 
Rev: EPI GAIOY PAPIRIOY KAPBONOS to left and right of Roma 
seated left on shields, holding Nike and sceptre; RWMH in exergue. 

Sear 3733; BMC 1; RecGen 1.

Courtesy of Zeus Coins, Nov. 2010.