40005204, Marlborough, 173, A youth in a chlamys standing beside a horse with one arm over its back. Hatched border., Unknown, Boardman, J., Scarisbrick, D., Wagner C., Zwierlein-Diehl, E: The Marlborough Gems (2009), Story-Maskelyne, M.H.: The Marlborough Gems (1870), 1921.05-11.3, Cornelian

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