Korea
South Korea. Republic silver Proof "Kwan Sun Yu" 50 Won KE 4303 (1970) PR67 Ultra Cameo NGC, KM7.
https://coins.ha.com/itm/korea/south-korea/korea-south-korea-republic-silver-proof-kwan-sun-yu-50-won-ke-4303-1970-pr67-ultra-cameo-ngc-/a/61302-25161.s?type=DA-DMC-CoinArchives-WorldCoins-61302-12262022
HID02906262019
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