A: Isis in profile, to left, wearing crown, kneeling, arms raised in greeting. Next to her head, on the left: an eight-pointed star, on the right: a crescent.
B: Inscription in three lines: ιαη|ωια|ω → vocales including Ἰάω.
Bibliography
Michel, BM on CBd-393
The British Museum Collection database on CBd-393