the jadeite roundels carved to one side with ducks swimming among weeds below an inscription 'Qiu Jiang Su Yan, Chen Dong Gao Fengchi Jingshu' with a four-character Qianlong seal, the reverse with birds and a flowering tree, the stone of mottled celadon colour suffused with pale brown and pale lavender, 31cm diameter, each on a tall hardwood stand carved as a recumbent buffalo below a cloud (4) Provenance: Private collection, London; collected about the middle of the 20th century. 翡翠雕花鸟诗文图座屏 一对