1997年中国「香港回归纪念系列 III」 金币50元及银币10元,评NGC PF69及70 Ultra Cameo,附原盒及証书。People s Republic of China, Hong Kong s Return to China Gold and Silver set, Series III, 1997, Special Administration, silver 10 yuan and gold 50 yuan, the silver 1 oz and the gold 0.5 oz,graded NGC PF69 and PF70 Ultra Cameo respectively. With the original boxes and certificates of issue (2)