Mongolia
Republic gold Proof "Przewalski Horses" 750 Tugrik 1976 PR69 Ultra Cameo NGC, KM38. Conservation series.
https://coins.ha.com/itm/mongolia/mongolia-republic-gold-proof-przewalski-horses-750-tugrik-1976-pr69-ultra-cameo-ngc-/a/65163-98225.s?type=DA-DMC-CoinArchives-WorldCoins-65163-03262023
HID02906262019
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