Time of Eumenes II, Attalos II and Attalos III Cistophoric Tetradrachm, AR, 11.63 gr, 28.22 mm. Pergamon, Mysia. 190-133 BC. Obv: Cista mystica with half-open lid, from which a serpent issues, all within ivy wreath. Rev: Two coiled serpents with heads erect, between them a bow case, ornamented with an aplustre, containing a strung bow, in field to right a serpent-entwined staff; PER monogram to left, GRY monogram and FI above. Mionnet S5, 853; BMC 123; cf Sear 3947-3950 (field marks). Courtesy of TimeLine Originals (www.time-lines.co.uk), Nov, 2010