A: Ibis, striding in profile to left, with wings slightly spreaded. The bird is tied with a cord at the neck to an altar behind it on the right. The cylindrical altar is topped with three stalks of plant.
B: Inscription in three lines: πεσσε|πεσσε|πεσσε → πέσσε, πέσσε, πέσσε. 'Digest, digest, digest!'
Bibliography
Michel, BM on CBd-776
http://www.britishmuseum.org/research/search_the_collection_database/search_object_details.aspx?objectid=61083&partid=1&searchText=56434&fromADBC=ad&toADBC=ad&numpages=10&orig=%2fresearch%2fsearch_the_collection_database.aspx¤tPage=1" target="_blank">The British Museum Collection database on CBd-776