317. Istros. Circa 4th Century BC. AR Drachm (5.98 gm). Facing male heads, the left inverted / Sea-eagle left, grasping dolphin with talons; ĈI monogram below dolphin. SNG BMC Black Sea 254; Pick 421. EF.($200) CNG Mail bid sale #58, 18 Sept 2001, lot 317. Lot sold for $200. Used by permission of CNG, www.historicalcoins.com