1942 Belgian Congo
1961 Dahomey
1967 Romania
1947 Martinique
1974 Antigua
1931 France
1964 Denmark
1964 Greece
1967 Dahomey
1987 Poland
1958 Romania
1974 Bhutan
1951 Poland
1958 Denmark
1962 Great Britain
1961 Great Britain
1961 Denmark
400 postally used US stamps, including airmails!
Less than 60¢ per cover.
Neat variety of cork fancy cancels on early US issues.