Russia
Russian Federation platinum Proof "Ballet" 50 Roubles 1993-(l) PR69 Ultra Cameo NGC, Leningrad mint, KM-Y396. Mintage: 750. APW 0.2497 oz.
https://coins.ha.com/itm/russia/russia-russian-federation-platinum-proof-ballet-50-roubles-1993-l-pr69-ultra-cameo-ngc-/a/61257-90158.s?type=DA-DMC-CoinArchives-WorldCoins-61257-02132022
HID02906262019
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