Table Screen 20th century, pi (disc) screen with turquoise, malachite, jade and other stones set onto a circular celadon plaque, verso with gilt and red-painted scene depicting two birds on a leafy branch, 13 in., on a well-carved calamander stand, 23-1/2 in., minor chips and losses to applied elements with some regluing, celadon disc with scratches, stand generally good condition with one pierced gallery loose but present. Provenance: Carnegie Museum of Art, Pittsburgh minor chips and losses to applied elements with some regluing, celadon disc with scratches, stand generally good condition with one pierced gallery loose but present