1972-75 Russia
1964 Russia
1963 Russia
1978 Russia
1968 Russia
1965 Russia
1961 Russia
1957 Russia
1966 Russia
1969 Russia
1963-66 Russia
1977 Russia
1961-63 Russia
1986 Russia
1974 Russia
400 postally used US stamps, including airmails!
Less than 60¢ per cover.
Neat variety of cork fancy cancels on early US issues.