1957 Sarawak
1962 Sierra Leone
1958 Somalia
1963 Sierra Leone
1950 Spanish West Africa
1970 Rwanda
1963-64 Samoa
1958 Tunisia
1962 San Marino
1965 Guinea
1972 Sierra Leone
400 postally used US stamps, including airmails!
Less than 60¢ per cover.
Neat variety of cork fancy cancels on early US issues.