40004948, Marlborough, 4, Portrait (profile right): Antonia (?). Bust of a laureate woman, 'Antonia'., Museum of Fine Arts, Boston, Boardman, J., Scarisbrick, D., Wagner C., Zwierlein-Diehl, E: The Marlborough Gems (2009), Story-Maskelyne, M.H.: The Marlborough Gems (1870), 99.110, Cameo, Sardonyx, 1st century AD

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