EGYPT, Alexandria. Hadrian. AD 117-138. BI Tetradrachm (26mm, 8.75 g, 12h). Dated RY 10 (AD 125/6). Laureate, draped, and cuirassed bust right, seen from behind / Serapis standing facing, head left, holding long scepter, extending his right hand over Kerberos seated at his feet left; L ΔE KATOY (date) around. Köln 914; Dattari (Savio) 1471; K&G 32.359; RPC III 5594; Emmett 891.10. Green-brown patina. Good VF. From the Dr. Thomas E. Beniak Collection, purchased from Nilus Coins, 29 May 2021. Ex Berk BBS 216 (27 July 2021), lot 557; Classical Numismatic Auctions XIII (4 December 1990), lot 470.