40004861, Marlborough, 494, Theseus stands with his club beside a tower, in the arched door of which is the dead Minotaur., Unknown, Boardman, J., Scarisbrick, D., Wagner C., Zwierlein-Diehl, E: The Marlborough Gems (2009), Story-Maskelyne, M.H.: The Marlborough Gems (1870), M218-1962, Cameo, 18th cent.