People's Republic of China, set of 4x silver 5 yuan, 1987, Historical Figures Series IV, 'Li Bai', 'Du Fu', 'Li Chun' and 'Songzan Ganbu', total ASW 2.57oz, Uncirculated, in original green lacquered presentation case, and certificate of issue, limited mintage of 9650 sets (4).
Estimate: 1200 - 2200