Russia. Brockage Obverse and Reverse Die Trial for 25 Roubles, 1992. As Y-353. Both pieces 2.7 grams. Brockage obverse and reverse die trials struck on copper-nickel planchets. Obverse: Double headed eagle. Reverse :: Catherine the Great. For the Age of enlightenment in the 17th Century. Lot of 2 coins. PCGS graded Both pieces, Specimen 66. Estimated Value $150-UP