Magnetes, Thessaly, AE15, After 150-130 BC. 3.32 g. 

Head of Artemis right, bow in quiver behind shoulder.
MAGNHTWN, Poseidon, standing front, looking left, 
holding dolphin and trident. 

Rogers 330 var (bust type, no monogram); CNG 311, 189 (BCD).

With permission of cngcoins.com, auction 311, lot 189, Sept. 2013.