A: Lion striding in profile to left, inscription in three lines above: μιχα|ηλβισ|νουθ, and below: βριμω|χαβρ|ιηλ. → Μιχαήλ, βισνουθ (variant of βιενουθ); below: Βριμὼ Χαβριήλ (variant of Γαβριήλ).
B: Greek inscription in eight lines: [νιχ]αρ|οπληξ|αβωχω|νιωχβα|ινχωω||χωσεμ|εσιλα|μψ → variant of νιχαρωπληξ; αβωχωνιωχ, βαινχωωχω: variants of Βαϊνχωωωχ (anagrams); σεμεσιλαμψ: variant of σεμεσειλαμ.
C: Characteres and Greek letters around the edge.
Bibliography
Bonner, SMA on CBd-1319
http://www.mfa.org/collections/object/oval-gem-with-lion-and-magic-inscription-226707" target="_blank">The Museum of Fine Arts, Boston website on CBd-1319