1968 Bulgaria
1992 Belarus
1958 Pakistan
1970 Berlin
1982 Mauritania
1942 Canada
1962 Paraguay
1975 Argentina
1967 Tristan da Cunha
1954 Yugoslavia
1985 Yugoslavia
1974 Hungary
1988 Nicaragua
1926-38 Turks & Caicos Islands
1946 Canada
1932-35 Australia
1987 Palau
1967 Turks & Caicos Islands
1937 Australia
400 postally used US stamps, including airmails!
Less than 60¢ per cover.
Neat variety of cork fancy cancels on early US issues.