Two Chinese folding porcelain panels 19th century

Two Chinese folding porcelain panels 19th century, decorated with bamboo, lotus, crab and calligraphy, and contained in hardwood and bamboo-veneered frames, one panel broken into four, the frames damaged and with losses, 26cm. (2) Provenance: by repute, from the collection of R A G Forrest, Professor of Asian Art at Oxford in the 1920s.