Russia. Uniface Obverse and Reverse Die Trial for 100 Roubles, 1997. Y-556. Total weight of 2 pieces, 28.11 ounces. 100 mm. For the 850th Anniversary of Moscow. Double-headed eagle. Reverse; Kuzma Minin and Dmitri Pozharsky Monument. Uniface obverse and reverse die trials struck on copper-nickel planchets. Lot of 2 coins. Brilliant Proof. Estimate Value $250 - UP