Watch List notes:

MACEDON. Dium. Antoninus Pius, 138-161. (Bronze, 21 mm, 5.23 g, 6 h). IMP CAES ANTONINΘ PI Laureate head of Antoninus Pius to right. Rev. COL IVL AVG DIENSIS D D Athena standing left, holding patera in right hand and spear in left; at her feet to left, owl. RPC IV.1 Online temp. 6216. Brown surfaces. Light porosity. Good very fine.