Soviet coin 5 roubles 1977 Moscow Olympics coin value

The image of this coin is simply an example of Soviet coin 5 roubles 1977 Moscow Olympics type coinage.
Cost approximate and valid for common coin only (without rare varieties).
I do not buy or sell coins - this is just a catalog.

Union of Soviet Socialist Republics - USSR (1922-1991)

Monetary system - Ruble = 100 kopecks
Type - commemorative coin - Olympic Games 1980 in Moscow

Alloy - silver 0.900
Diameter - 33.0 mm.
Weight - 16.67 gram

Years of minting
1977

Reverse:
Sailing boats against the backdrop of the panorama of Tallinn, the logo of the Olympics
Legend: ИГРЫ XXII ОЛИМПИАДЫ МОСКВА (GAMES OF XXII OLYMPIAD MOSCOW) 1980 / ТАЛЛИН / 1977 (GAMES OF XXII OLYMPIAD MOSCOW 1980 / TALLINN / 1977)

Obverse:
State emblem of the USSR
Legend: СССР 5 РУБЛЕЙ (USSR 5 ROUBLES)

Edge: Reeded

Krause catalog number - Y#148

Value of the coin in the condition "UNC" - 15-20 USD