A large jade carving of a 'Pig Dragon', Hongshan culture, circa 4,000-3000 B.C. Carved as a coiled stylised mythical animal with incised circular eyes below pricked ears, and pierced with a circular aperture to the centre, between a slit and a smaller aperture for suspension. The stone is of a green tone with extensive areas of white inclusions, 9.5 cm high. Provenance: Purchased in Hong Kong in the early 90s.