40000741, Poniatowski, T710, AMYMONE AND NEPTUNE [AMYMONE, BY ORDER OF NEPTUNE TAKING THE TRIDENT OUT OF THE ROCK], GNAIOS, Gnaios, Bonhams, London, Private Collection, Prendeville, J.: Explanatory catalogue of the proof-impressions of the antique gems possessed by the late Prince Poniatowski and now in the possession of John Tyrrell, Esq. (1841), Christie's, London, Catalogue des pierres gravées antiques de S.A. le Prince Stanislas Poniatowski ([1830?]-1833), 19th of September 2012, lot 23, Amethyst
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