Watch List notes:

EGYPT, Alexandria. Antoninus Pius, with Marcus Aurelius as Caesar. AD 138-161. BI Tetradrachm (23mm, 11.01 g, 12h). Dated RY 7 (AD 143/4). Laureate head right of Antoninus Pius / Bareheaded, draped, and cuirassed bust right of Marcus Aurelius; L Z (date) below. Köln 1437 var. (rev. legend and placement of date); Dattari (Savio) 8046 (same dies); K&G 35.211 var. (same); RPC IV.4 Online 15437; Emmett 1406.7 (R4). Porous, cleaning scratches, patch of copper oxide. VF.

From the Conti Collection, purchased from Harlan J. Berk, Ltd.