A: Ouroboros encircling a uterus-symbol with a seven-bitted key. Above, the mummy of Anubis; rest of the representation lost. Inscription originally outside the Ouroboros, worn off.
B: Inscription in two lines: ορωρ|ιουθ → ορωριουθ.
Bibliography
Michel, BM on CBd-743
The British Museum Collection database on CBd-743