Russia
Russian Federation silver Colorized Proof "Architectural Masterpiece - St. Isaac Cathedral" 25 Roubles (5 oz) 2014-(sp) PR70 Ultra Cameo NGC, St. Petersburg mint, KM-Y1537. Mintage: 1,500.
https://coins.ha.com/itm/russia/russia-russian-federation-silver-colorized-proof-architectural-masterpiece-st-isaac-cathedral-25-roubles-5-oz-/a/61257-90126.s?type=DA-DMC-CoinArchives-WorldCoins-61257-02132022
HID02906262019
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