Jin 'ou Gu Yong Cup is an important royal ritual vessel in Qing Dynasty. Known as the pinnacle of the Millennium gold and silver utensils. It is collected by a special person in the inner government, and no one is allowed to open it without authorization.
Jin 'ou Gu Yong Cup was designed and named by Emperor Qianlong himself. There are 36 gems in this cup. The original is 1 1 pearl, 9 rubies, 12 sapphires and 4 pink tourmalines. According to the mathematical layout of Nine Palaces of Zhouyi, it is a royal treasure.