Watch List notes:

EGYPT, Alexandria. Hadrian. AD 117-138. Æ Drachm (34mm, 28.34 g, 12h). Dated RY 21 (AD 136/137). Laureate bust left, slight drapery / Isis enthroned right, crowned with horns and disk, suckling the infant Harpokrates, who is crowned with skhent and holding lotus bud(?); L KA (date) to either side. Köln –; Dattari (Savio) 7708 var. (placement of date); K&G –; RPC III 6177; Emmett 997.21 (R5 = Dattari 7708). Dark brown patina with touches of green, a few spots of bare metal. Near VF. Extremely rare, the authors of RPC cite only two specimens, and only one specimen, the Dattari coin, in CoinArchives.

From a Private English Collection Formed Post War.