Russia. Brockage Obverse and Reverse Die Trial for 25 Roubles, 1993. As Y-452. Both pieces 3.1 grams. Uniface obverse and reverse die trials struck on white metal planchets. Obverse; Double-headed eagle. Reverse; M.P. Musorgsky. Lot of 2 coins. Brilliant Proof. Estimate Value $150 - UP