284 - Celadon-green jade with veins in shades of ochre and brown. It depicts a turtle’s shell, a symbol of longevity. Its convex upper shell features fine polygonal incisions that delineate the shell’s scutes, while the lower plastron is flat. It has a hole for hanging. Hongshan Culture (c. 4700–2900 B.C.) or later.

Celadon-green jade with veins in shades of ochre and brown. It depicts a turtle’s shell, a symbol of longevity. Its convex upper shell features fine polygonal incisions that delineate the shell’s scutes, while the lower plastron is flat. It has a hole for hanging. Hongshan Culture (c. 4700–2900 B.C.) or later. Dimensions: 2.4 x 5.8 x 5.5 cm Weight: 109.0 g With a Jade Identification Certificate issued by Hong Kong Kowloon Jade & Jewellery Laboratory LTD (Aug. 28, 2025). Provenance: Collection of Tommy Lam, Hong Kong, since 1980.