Pergamon, Mysia, AE17 civic issue. Ca. 310-282 BC. 

Laureate helmeted head of Athena left.
PERGA, confronted heads of two bulls.

No symbol.

SNG von Aulock 1351; SNG France 1577-1585; BMC 11-12; McClean 7670; Lindgren I 284; SNG Cop 330 etc.

With permission of Agora Auctions auction 109, Lot 105, Feb 2023