Istros, Thrace. AR Obol. 400-350 BC. 1.1 g.

Two male heads facing, the right inverted. 
ISTRIH above sea-eagle left on dolphin. H under
eagle's tail. 

AMNG 448; Canarache 379.

With permission of TimeLine Auctions 
(www.timelineauctions.com), March, 2016