Watch List notes:

EGYPT. Alexandria. Antoninus Pius, 138-161. Drachm (Bronze, 34.5 mm, 20.98 g, 12 h), year 20 = 156-157. ΑYT Κ ΑΙ ΑΔΡ ΑΝΤΩΝΙΝΟC CEB EYC Laureate head of Antoninus Pius to right, slight drapery on far shoulder. Rev. L K Emperor on horseback right, raising right arm in salute, and holding sceptre over far shoulder with left. Dattari (Savio) 8292. Geissen 1774-5. K&G 35.713. RPC IV.4 Online temp. 15225. Green patina. Somewhat rough surfaces, otherwise, very fine.
From the collection of Jean-Pierre Righetti, ex Elsen 113, 16 June 2012, 524.