1974 Bhutan
1974 Grenada
1974 Antigua
1984 Korea, Dem. People's Republic
1974 Gambia
1973 Hungary
1974 Malagasy Republic
1974 Montserrat
1974 Turks & Caicos Islands
1974 Maldive Islands
1972 Hungary
1969 Romania
400 postally used US stamps, including airmails!
Less than 60¢ per cover.
Neat variety of cork fancy cancels on early US issues.