Russia. Obverse and Reverse Die Trial for 100 Roubles, 1997. As Y-557. 7.5 and 7.7 grams. Obverse and reverse die trials struck on copper-nickel planchets with МУΛЯЖ on the back of each planchet. Obverse; Double-headed eagle. Reverse; Yuri Dolgoruky Monument. For the 850th Anniversary of Moscow. Lot of 2 coins. Brilliant Proof. Estimate Value $150 - UP