A celadon and russet jade 'lingzhi' washer, Xi Qing dynasty, 18th/19th century, of deeply flared form, carved as a hollowed ruyi head with gnarled lingzhi fungus stems rising in deep relief around the sides from branches forming the foot, a bat resting below the rim, the stone of pale greenish tone with areas of russet suffusions, wood stand. -2. 7.5 cm high. Provenance: Christie's, South Kensington, 12 May 2017, lot 252. Private Collection, Western Australia.