Russia
Russian Federation platinum Proof "Ballet" 25 Roubles 1994-(l) PR67 Ultra Cameo NGC, Leningrad mint, KM-Y428. Mintage: 900. APW 0.0999 oz.
https://coins.ha.com/itm/russia/russia-russian-federation-platinum-proof-ballet-25-roubles-1994-l-pr67-ultra-cameo-ngc-/a/61257-90077.s?type=DA-DMC-CoinArchives-WorldCoins-61257-02132022
HID02906262019
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