1 oz Palladium Russian Ballerinas are an extremely popular palladium coin produced by the Moscow Mint from 1989 to 1995, making it one of the oldest official palladium coin designs. The obverse of the coin will vary, containing one of a few potential ballerina designs. The coin’s reverse includes the 25 ruble face value, the nation of issue, and the hammer and sickle of the Soviet Union. Even after the Soviet Union’s dissolve in 1991, later Ballerina coins continued to use the hammer and sickle design while labeling the nation as the Soviet Union. All coins contain 1 troy ounce of .999 pure palladium.