Tenos, Cyclades, AR didrachm, ca 250 BC. 6.88 g. 

Youthful, unbearded, laureate head of Zeus Ammon right.
THNI, Poseidon standing left, holding dolphin and trident,
bunch of grapes in left field. 

Mionnet Supp. IV, 312; SNG Cop 769

With permission of Dr. Busso Peus Nachfolger, Nov. 2012