1 oz Gold Bars. Proof & Mint Sets. 1990 China 2-Coin 1/2 oz Gold & 1/5 oz Ag Bi-Metallic Panda Set. Photos in this listing may or may not be stock photos. The photos are meant to be an indication of the product you will receive. Worldwide mintage of 2,000 coins. Each coin contains 1/2 oz of. 999 fine Gold and 1/5 oz of. Set comes in box and with a certificate of authenticity. Obverse: One coin depicts the Hall of Prayer for Abundant Harvests in the Temple of Heaven in Beijing encircled by the phrase People’s Republic of China in Chinese closed off by the year of issue, 1990. Reverse: One coin features a panda standing on a rock in Gold and encircled by Silver and the other coin features a mother panda with her two cubs in Gold encircled by Silver. Guaranteed by the People’s Bank of China. This set commemorates the Hong Kong Expo and includes both coins. Add the 1990 2-Coin 1/2 oz Bi-Metallic Chinese Panda Proof Set to your cart today! This is not a photo of the actual item.