Watch List notes:

THRACE, Serdica. Marcus Aurelius. AD 161-180. Æ (26mm, 9.56 g, 7h). Bareheaded and cuirassed bust right, seen from behind / River-god Oiskos reclining left, head right, holding reed, resting elbow on urn from which water flows. Ruzicka, Serdica 3; H&J, Serdica 12.7.32.1; RPC IV.1 Online 7384; Varbanov 1878. Brown patina. VF. Very rare.

From the Dr. Michael Slavin Collection, purchased from Barry Murphy.