287 - Ritual oil lamp, carved from yellow jade with ochre and reddish-brown mottling and areas of calcification. The structure consists of three sections: a hemispherical top cap topped by a handle with a movable ring; its surface features fine geometric incisions and stylized clouds; it rests on a wide, flat, ornamented rim. A concave central body decorated with incised volutes, giving way to a cylindrical shaft covered by an incised latticework of complex scrollwork and flanked by four serrated fins. Flared base with four cruciform openwork cutouts, also flanked by a lower set of serrated fins. Warring States period (475–221 B.C.) or later.

Ritual oil lamp, carved from yellow jade with ochre and reddish-brown mottling and areas of calcification. The structure consists of three sections: a hemispherical top cap topped by a handle with a movable ring; its surface features fine geometric incisions and stylized clouds; it rests on a wide, flat, ornamented rim. A concave central body decorated with incised volutes, giving way to a cylindrical shaft covered by an incised latticework of complex scrollwork and flanked by four serrated fins. Flared base with four cruciform openwork cutouts, also flanked by a lower set of serrated fins. Warring States period (475–221 B.C.) or later. Height: 20 cm; Largest diameter: 11.8 cm Weight: 953 g Provenance: Collection of Tommy Lam, Hong Kong, since 1980.