A Neoclassical carnelian intaglio

A Neoclassical carnelian intaglio, the oval-shaped carnelian plaque engraved with a scene depicting 'Minerva seizing the monster Alcyneus by the hair, after he had been wounded by Hercules with an arrow', bearing the pseudo signature for the ancient engraver Kromos, set within a simple yellow gold brooch mount, c1800, 5.5cm wide

Provenance: From the collection of Prince Stanislas Poniatowski (1754 - 1833); offered at auction by Christie's London 29 April - 21st May 1839, lot 1359, withdrawn from he sale, purchased by john Tyrrell (35 Craven Street, London)

Published: James Prendeville, 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, London 1841, no.413 Catalogue des Pierres Gravées antiques de S. A. le Prince Stanislas Poniatowski, Florence 1830-1832, class II, no. 303