China 2002 Colored 4 Pieces of 1oz Silver Coins Set – Peking Opera (4th Issue). Purity: 99.9% Silver. Weight: 4 x 1 Oz. Face Value: 4 x 10 Chinese Yuan. Condition: Uncirculated and placed in original plastic capsule. Come with original Box and Certificate. Welcome to Giant Panda Coins! Our antique store has over. 12 years old history. Flagship store locates at Yun-Zhou commercial building, Shanghai, China. Branch store locates at Ju-Qi-Cheng commercial building, Shanghai, China. We speak English and some German.