Pergamon - Cistophorus Tetradrachm., 25.22 mm, 12.56 g. 166-160 BC

Obv: Cista mystica with half-open lid, from which serpent 
emerges; all within wreath of ivy and berries. 
Rev: PER city name in monogram form to left of ornate 
gorytos between two serpents; AR and PRYT monogram 
(prytaneis) in two lines above; serpent-entwined thyrsos to 
right.

BMC 101; Pinder 104; Kleiner III 27; Mersan 30; SNG Cop 426-
427; SNG von Aulock 7473; SNG France V, 1729.

With permission of TimeLine Auctions 
(www.timelineauctions.com), Nov, 2016