Letter rack

wall letter rack with four small "pockets"; openwork ivory carving, backed with blue paper (or fabric?); six Chinoiserie scenes--scenes of figures in gardens, on boats and in pavilions; three figures on each side of pockets, in trees, surmounted by deer; three figures on each side of flat wall element, with a fanciful fish and winged figures at top; pair of dragons at bottom; openwork floral patterns