40004898, Marlborough, 358, Bust of an Egyptian queen or Isis, wearing a vulture headdress, disc-and-horns crown, and a pectoral., Market, Boardman, J., Scarisbrick, D., Wagner C., Zwierlein-Diehl, E: The Marlborough Gems (2009), Story-Maskelyne, M.H.: The Marlborough Gems (1870), Christies NY 29 April 2019, lot 35, Cameo, Sard., Hellenistic

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