A: Ouroboros, head to right, enclosing a uterus-symbol with a seven-bitted key. Above the uterus, a group of deities. In the middle: Chnoubis, head to left, surrounded with seven rays. On the two sides, facing Chnoubis, two winged goddesses wearing long robes, arms held in a protective gesture. Heads crowned with the Isis-crown or perhaps with hieroglyphs indicating their names (throne for Isis, on the left, basket and house for Nephthys, on the right)?
B: Inscribed in two lines: ορωριο|ουοθ → variant of ορωριουθ. Character.
Bibliography
Michel, BM on CBd-736
Faraone 2011, 56, pls. 19a-c.
http://www.britishmuseum.org/research/search_the_collection_database/search_object_details.aspx?objectid=62197&partid=1&searchText=56077&fromADBC=ad&toADBC=ad&numpages=10&orig=%2fresearch%2fsearch_the_collection_database.aspx¤tPage=1" target="_blank">The British Museum Collection database on CBd-736