The obverse of the coin at the top the emblem of the USSR of the sample of 1956 (15 bands of tape around the number of the Union republics, the lower coil larger than the other). Under the emblem of a large letter "СССР" yet below is the value: a large figure "3" under it the word "РУБЛЯ" At the very bottom near Kant is the year of issue "1991". In the bottom left, under the horizontal line in the two lines marked metal, fineness and weight of pure silver - "Ag 900 to 31.1" on the right side under the same trait located at the same level, is a mark of the Moscow mint
(stylized letters "ММД".
On the reverse in the center the relief image of the triumphal arch in Moscow, over her front and back of the commemorative rouble 1839, dedicated to the installation of the monument on Borodino field. To the left of the arch is the date of its construction - "1834.", right "МОСКВА" Upstairs along the rim, a semicircular inscription: "500-ЛЕТИЕ ЕДИНОГО РУССКОГО ГОСУДАРСТВА" down more finely along the rim "ТРИУМФАЛЬНАЯ АРКА"(both labels separated by dots).
On the front and back parts of the coin along the circumference has a raised rim.
Photo source: www.coins-market.ru
Triumphal arch in Moscow was built on the square of Tverskaya Zastava in 1829-1834 years (architect-O. I. Bove) in honor of the victory over Napoleon's army in contrast to the arc de Triomphe in Paris. In 1936, they were dismantled, and in 1966-1968 built an exact copy on Kutuzovsky Prospekt.