Nisyros, Caria, Islands, AE11, 350-300 BC. 1.2g.

Obv: Bearded head of Poseidon right.
Rev: N(I), Dolphin swimming right, trident below.

SNG Copenhagen 709; Hunter 1; BMC 1.
Rare. 

Contributed by Ars-Aeterna / David Suter, Switzerland, September, 2011