1992年中国古代科技发明发现(第1组)纪念金币1盎司风筝 完未流通
CHINA. 100 Yuan, 1992.Fr-46; KM-417. Inventions and discoveries series, first kite. In original case of issue. Certificate of authenticity is included, #757 from a mintage of only 1,000 pieces.GEM BRILLIANT PROOF.