A: Bearded bust of Sarapis, to left, with calathus on the head.
B: Inscribed in three lines: εισζε|υσσε|ραπισ → εἷς Ζεὺς Σέραπις. 'Zeus and Sarapis are the same.'
Bibliography
Michel, BM on CBd-404
The British Museum Collection database on CBd-404