A very rare and outstanding huanghuali folding horseshoe-back armchair, jiaoyi,  Late Ming dynasty 明末 黃花梨圓後背交椅 of elegant and generous proportions, the horseshoe back surmounting a plain splat flanked by cusped and beaded spandrels, the arm supported on S-curved and circular-section arm posts which continue through the seat frame forming the front legs, the posts with shaped spandrels and change to square-section at the crook and at the pivot of the legs, further strengthened with damascened iron 'bamboo-and-vase' braces between the arm and the posts, and with ruyi-shaped braces within the crook, the front seat rail detailed with cusped beading, the pivoting footrest supported by short cabriole legs and mounted with damascened iron with a design of two rhinoceros horns flanking a coin, each structural joins reinforced with damascened iron mounts, some with scrolling tendril design 71.2 by 67.2 by h. 102.8 cm