A 'DREAMSTONE' MARBLE PANEL WITHIN A ZITAN SCREEN LATE MING – EARLY QING DYNASTY

the grey-veined white marble panel figured with an ethereal mountainous landscape scene with cavernous valleys beneath wispy cloud swirls on one side, the reverse with rather subtle light variegated grey inclusions, set within a zitan stand with a panel reticulated with three cartouches, above a beaded-edged cusped apron between stylised scroll feet