Thrace, Istros, AR drachm, 4th century BC. BM Black Sea 248. 4.21 grams. Facing male heads, the right inverted / Sea-eagle left, grasping dolphin with talons; pellet between eagle and dolphin, AP monogram below. Choice AXF with smooth fields, hint of toning, off-center strike but fully detailed. (Estimate: $300 - 450)