Antoninus Pius (138-161). Egypt, Alexandria. Æ Drachm (34mm, 24.46g), Year 22 (ad 158/9). Laureate Bust R., With Slight Drapery. R/ Draped Bust Of Sarapis R., Wearing Kalathos. Rpc IV.4 2104 (1 Specimen) = Sng Bnf 2365; Dattari (savio) 2813 Pl. 144 (this Coin). Extremely Rare, About Vf From The Dattari Collection