A GROUP OF ENGRAVED GEMS INCLUDING an oval gold-mounted sardonyx intaglio engraved in the white layer with a Bacchanalian revel, 17th Century, 4.5cm.wide; an unmounted intaglio of similar date (damaged), 3.3cm. wide; four cornelian intaglios with Arabic inscriptions, one gold-mounted reading 'God is omnipotent', Koran, chap.20, v.20, late 18th Century, largest 2.6cm. wide; six onyx and sardonyx profile head intaglios of Minerva, Ceres, Diana, Pericles (damaged), etc. in gold mounts with scroll tops, 19th Century, largest 4.0cm. high; an octagonal lapis cameo comedy mask, 19th Century, 2.3cm. wide; a cornelian scarab engraved with the infant Oedipus found hanging from a tree by the shepherd Pharbus, 19th Century; the suicide of Socrates in cornelian, circa 1800, in gold mount, 3.5cm. high; two cameos and one intaglio of Pius IX; a double-sided cornelian grotesque mask; intaglios of Hellenistic and Roman rulers and a bearded philosopher; onyx and sardonyx cameos of an illustrious lady and Flora; agate cameo of a veiled lady (damaged), 17th Century; large oval cornelian cameo depicting the Horatii (damaged), 17th Century, 8.0cm. wide; cornelian intaglios of Hope and Urania; cornelian intaglio of an urn between Victory palms (damaged) ancient, etc. (34)