MYSIA. Pergamon. Circa 166-167 B.C. AR cistophoric tetradrachm. 12.33 gm. 25 mm. Cista mystica with a serpent emerging; ivy wreath around / Two serpents entwined around a bow and bow case; TH and monogram above, monogram left and a staff with a serpent wrapped around it on the right. SNG France 1752. Very Fine; light old toning.