Russia
USSR palladium Proof "Ballet" 25 Roubles 1990-(l) PR70 Ultra Cameo NGC, Leningrad mint, KM-Y239. APdW 0.9989 oz.
https://coins.ha.com/itm/russia/russia-ussr-palladium-proof-ballet-25-roubles-1990-l-pr70-ultra-cameo-ngc-/a/61262-98375.s?type=DA-DMC-CoinArchives-WorldCoins-61262-03202022
HID02906262019
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