Claudius, AE27 of Sinope, Paphlagonia. Dated CY 100 (October AD 54). 

Obv: Laureate head of Claudius left.
Rev: Head of Agrippina II left,wearing hair in long plait; date in legend. 

RPC I 2134; RecGen 95 corr. (date read as AD 55/6). 
Very rare.

From the J.S. Wagner Collection.
CNG Mail Bid Sale 76, lot 1054. Sold for $465.
Used with permission of CNG coins, www.cngcoins.com, Feb. 2011