40005073, Marlborough, 56, Double portrait (profile right - intaglio): Augustus; Livia. Double portrait (profile left - cameo): Busts of laureate Augustus and Livia; also on the reverse in intaglio, 'incased'., Unknown, Boardman, J., Scarisbrick, D., Wagner C., Zwierlein-Diehl, E: The Marlborough Gems (2009), Story-Maskelyne, M.H.: The Marlborough Gems (1870), no. 56, Cameo, Silver and gold, 16th cent.

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