40004544, Marlborough, 683, Leda, naked, seated on her dress and rocks, embracing the Swan. Initial P (Pichler?)., P., Unknown, Boardman, J., Scarisbrick, D., Wagner C., Zwierlein-Diehl, E: The Marlborough Gems (2009), Story-Maskelyne, M.H.: The Marlborough Gems (1870), no. 683, Dark cornelian

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