A celadon jade plaque 'autumn mountain tiger', Liao or Jin Dynastyskilfully rendered depicting a recumbent tiger with lingzhi and rockwork in openwork, the stone of a celadon colour with russet inclusions, when zooming in for 60 to 100 times to observe the tiny marks on the lot, marks of using soft abrasives could be seen, such marks are very different on modern jade pieces where new machines are used for carving and polishing.Provenance: private English collectionNote: a closely comparable example, dated to the Jin Dynasty, is in the collection of Shanghai Museum 6.9cm wide, 4.7cm high