Believed first made for export in the 1850s, the Ring of Rings Puzzle has existed to ancient times in China with the earliest known Western written reference set down by an Italian mathematician associate of Leonardo da Vinci in 1500. Credited to craftsmen in Canton, China who first fashioned their cow bone Ring of Rings puzzle for export in the 1850s the now rarely surviving puzzle became a popular diversion throughout Europe and the Americas. This period example remains in excellent original condition with no chips, cracks or stains yet with good evidence of age and period construction. The puzzle remains complete even to its original, period appropriate, rose-head brass wires. We will send the purchaser an internet link containing the puzzle resolution, that is to remove all nine bone rings trapped on the decoratively carved handle. (This can be accomplished in 341 steps by following two simple rules.) Buy with confidence! We are pleased to offer a no questions asked three day inspection with return as purchased on direct sales! Just send us a courtesy e-mail to let us know your item will be returned per these provisions and your purchase price will be refunded accordingly. Thanks for visiting Gunsight Antiques!