Tenos, Cyclades, AR Tetradrachm. ca 200-180 BC. 25mm, 13.96 g.

Laureate head of Apollo Karneios right.
THNWN, Poseidon seated left, holding dolphin and trident, 
grape bunch in left field. PYH monogram beneath throne.

Hoover HGC 727 (this coin); Gyselen 202; 

With permission of Roma Numismatics, March 2014