Two Chinese 19th century Canton carved ivory tangram qiqiaoban puzzle boxes, both of square form with slide-off cover, one cover carved and pierced with a fisherman and two boys beside a lake, the other with a phoenix on a rocky outcrop amidst foliage, the sides of both boxes carved with buildings in landscapes, both containing floral carved and pierced puzzle pieces of various shapes, 2 1/8in (5.4cm.) square. (2)