Thyrrheion, Akarnania. AE17, ca. 168-160 BC. 1.4 g. 

Head of man headed bull Acheloos right.
Q (theta) within wreath. 

Molinari 484; Head 332; BMC Thessaly 12-13. 

With permission of Dr. Busso Peus Nachfolger auction 399, Lot 116, Nov 2009.