A: Ithyphallic baboon striding in profile, to left, with arms raised in greeting, tail hanging down straight, solar disk on the head. In the free field, two stars to left and right, and two U-shaped signs (crescents?).
B: Inscription in four lines: αβλ|ανα|θαν|αλβα → Ἀβλαναθαναλβα-palindrome.
Bibliography
Michel, BM on CBd-550
The British Museum Collection database on CBd-550