"Rio 2016 Olympic Games Commemorative Gold / Silver Bars Collection" is approved /authorized by the International Olympic Committee and the Chinese Olympic Committee, manifesting Rio 2016 Olympic passion and dreams, inheriting the Olympic spirit, carrying forward the Olympic culture. As another Olympic franchised Gold/Silver Bars Collection after the 2008 Beijing Olympic gold and the 2012 London Olympic gold, it includes two series--commemorative gold series and commemorative silver series. Adopting gold (99.99% gold) and silver (99.9% silver) as its material, the collection will become the exclusive precious memory of each collection fans and sports fans!