6th-4th century BC. A group of two stone items comprising: a conical alabaster stamp seal with engraved image of a human-headed sphinx to the underside, pierced for suspension; a plain tapering chalcedony intaglio of oval form. 6.8 grams total, 13-20mm (1/2 - 3/4"). From the private collection of a central London lady; acquired from in the 1990s. [2, No Reserve] Fine condition, stamp seal chipped.