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 Leningrad mint (stylized letters "ЛМД".
The reverse depicts the monument to Yuri Gagarin on Gagarin square in Moscow, left and right are symbolic images of galaxies and stars. Circumferentially along the rim the inscription: "• 30 ЛЕТ ПЕРВОГО ПОЛЕТА ЧЕЛОВЕКА В КОСМОС •" At the bottom of the date: "1961 1991" divided by the base of the monument.
On the front and back parts of the coin along the circumference has a raised rim.
Photo source: www.coins-market.ru
The Yuri A. Gagarin was born in 1934 in the Smolensk region (then Western region). In 1957, he graduated from aviation school and became a pilot, and in 1959 she was selected space group. After all the hardships and endless training, the first in the history of flight in near-earth space, which lasted 108 minutes. During this time Gagarin managed to fly around the globe, before landing in the Saratov region. The later years of the life of Gagarin took place in the context of world-wide fame, he traveled to many countries where he talked about his flight. But classes of aircraft have not been abandoned. March 27, 1968 along with B. S. Seregin crashed during the test flight.