40005035, Marlborough, 461.3, Portrait (profile left): Brutus. Marcus Junius Brutus. The swords and fur cap (pileus) are symbols ofliberty and appear on coins of Brutus., Unknown, Boardman, J., Scarisbrick, D., Wagner C., Zwierlein-Diehl, E: The Marlborough Gems (2009), Story-Maskelyne, M.H.: The Marlborough Gems (1870), no. 461, Black jasper

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