Watch List notes:

EGYPT, Alexandria. Antoninus Pius. AD 138-161. Æ Drachm (34mm, 24.36 g, 1h). Dated RY 6 (AD 142/3). Laureate bust right, slight drapery on left shoulder / Demeter, veiled, standing right, holding torch in right hand and bunch of grain ears and poppy in left; to right, Serapis seated left, holding long scepter in right hand, extending left hand over Cerberus seated at his feet, facing left; Nike stands atop throne; L Ϛ (date) in exergue. Köln –; Dattari (Savio) 2858 (date unclear); K&G –; RPC IV.4 Online 15544 var. (RY 5); Emmett 1671.6 (date not recorded). Red-brown patina, some roughness. Near VF. Very rare, unpublished in the standard references.

RPC lists this reverse type for only one year, year 5, but of the nine specimens cited, the date is only clear on one of them. All appear to be obverse die matches to this coin.