Watch List notes:

EGYPT. Alexandria. Hadrian, 117-138. Drachm (Bronze, 33 mm, 23.60 g, 11 h), regnal year 19 = 134-135. AYT KAIC TPAIAN AΔPIANOC CEB Laureate, draped and cuirassed bust of Hadrian to right. Rev. L ENNEA K Δ Serapis, holding scepter in right hand, seated facing, head right, on ram advancing right with head left. Dattari (Savio) 7780 = Emmett 1035.19. Köln -. K&G -. Milne -. RPC III 6033. Dark green patina. Extremely rare type, with only four coins recorded by the RPC editors. Surfaces a little rough, otherwise, good very fine.
From a Swiss collection.