People's Republic of China, silver proof 100 yuan, 1997, Year of Ox, 12 oz pure silver, the Mingyuan Pavilion of Nanking on obverse, two cattles painted by Liu Jiyou on reverse, mintage of 504 pieces only, NGC PF 68 Ultra Cameo, rare. Cert.# 4538047-022.
Estimate: 35000 - 50000