999 Fine Silver Medal. The obverse features 2 pandas, and details the weight, material, and fineness of the medal. Each of the 10,000 specially minted 1 oz medals contains 1 oz of. 999 fine silver and is 40mm in diameter. The total mintage was limited to 10,000. The medal is certified as proof quality, and up to standard as to its fineness and weight. Certificate of Authenticity number 00330.