Amphipolis, AE20, Pseudo-Autonomous issue, struck under Claudius. 

TI KLAVDIOS SEBAS, Emperor standing left, holding eagle-tipped sceptre 
and raising right hand.
(from below): AMFIPOLITWN, Artemis Tauropolis with inflated veil, 
riding bull left. 

Varbanov 3153; BMC 88.

Courtesy of Guy Clark ancient coins, May 2011.

Varbanov_3153