Watch List notes:

Antoninus Pius with Marcus Aurelius Caesar (138-161). BI Tetradrachm, Alexandria mint, Egypt. Obv. Laureate head of Antoninus Pius right. Rev. Bare-headed and draped bust of Marcus Aurelius Caesar right. Dattari 2107. Cf. K &G 35.130-4. BI. g. 12.55 mm. 23.00 Grey toning with dark spots. VF.