1992年200元。中国古代科技发明发现系列一。蝴蝶风筝。罕见,发行量只有250枚。正面有起雾,反面光亮。虽有雾化,整体仍然赏心悦目。KM-422. Struck to commemorate ancient kite flying. RARE, from a mintage of only 250 pieces. Considerable fog on the obverse, reverse is brilliant. Despite the fog on the obverse, the overall appearance is quite acceptable.NGC PROOF-63 ULTRA CAMEO.