People's Republic of China, Chinese Ancient Inventions and Discovery, 2nd series, 1993, 5x gold proof 50 Yuan, 'Yin Yang', 'Stirrup', 'Zero Defined', 'Terracotta' and 'Umbrella', each weigh 1/2oz containing .999 gold,the second graded PCGS PR68DCAM, the rest PR69DCAM, with original packaging and certificate of issue, certificate numbers 0000111, 0000373, 0000462, 0000694 and 0000767, low planned mintage of 1200 pieces each and an actual minatage of 829, 809, 797, 796 and 795 pieces respectively (5 coins).
Estimate: $36,000.00 - $50,000.00