A: Enclosed within the Ouroboros, with head at top to right: a uterus and a seven-bitted key. Inscription around the uterus: αεηιηεααιηεαιαιιιαεηι → vocales.
B: Inscription in eight lines: τρασαρ|ητιψωτετ|ρασαρητιψω|τετραγετα|βαρρωσηαψ||ορρωρερμ|ιταθηαχ|ωβ.
C: Inscription around the edge: εωθαρρωειλλααλαοθωραλ → unidentified voces.
Bibliography
Zwierlein-Diehl, Köln on CBd-1957