A: Ouroboros, with its bearded head to left, encircling a uterus. Below the uterus, a seven-bitted key. Inscription around in the free field, beginning at the top: αεηιουω → The Greek vowel series.
B: Inscription in five lines: ορωριουθ|ητρυκου|ορωριουθ|τρουβα|τα → voces including ορωριουθ.
Bibliography
Michel, BM on CBd-732
Faraone 2011, 56, pls. 18a-c.
The British Museum Collection database on CBd-732