Russia. Uniface Reverse Die Trial for 100 Roubles, 1997. Y-556. 327.1 grams. 100 mm. For the 850th Anniversary of Moscow. Kuzma Minin and Dmitri Pozharsky Monument. Uniface reverse die trial struck on copper-nickel planchet. Lot of 2 coins. Brilliant Proof. Estimate Value $150 - UP