Watch List notes:

China (People's Republic), silver proof 100 yuan (12 oz) Panda, 1990, NGC PF 68 Ultra Cameo. KM-274; PAN-130A. None higher at PF 70 in the current NGC census. Mintage: 2,500 (planned; actual and surviving unknown). Pedigreed to the Gansu Collection of Chinese Panda Coinage.

Estimate: $450 - $700