Chinese Ivory Puzzle Ball with Stand, finely carved 5 part base which is threaded together, a large carved outer ball with 16 concentric carved inner balls, 4 1/2" diameter ball, 18 1/2" tall stand, the best we have ever seen, 19/20th century, comes with a revolving colored ring, which is signed, having dragon decoration and a custom fitted cloth storage box. Some minor losses of ivory on interior balls Provenance: A Hancock, NH estate collection. Estimate $2,000-3,000