Watch List notes:

EGYPT, Alexandria. Antoninus Pius. AD 138-161. Æ Drachm (32mm, 16.50 g, 12h). Dated RY 24 (AD 160/161). Laureate and draped bust right / Draped bust of Serapis right, wearing kalathos, above ram standing right, wearing hem-hem crown; altar to right; L K Δ (date) across upper field. Köln 1857; Dattari (Savio) 2834 & 8693-4; K&G –; RPC IV.4 Online 13948; Emmett 1654.24 (R3). Dark green to black patina with light green highlights/deposits, roughness. VF. A rare type that is often misattributed to the Zodiac series.