1994 Namibia
1942 Tonga
1961 Guinea
1965-68 Mauritania
1900 German States-Bavaria
1963 Burundi
1947 Swaziland
1995 Benin, People's Republic of
1901 Nyassa
1947 French West Africa
1947 German Occupations
400 postally used US stamps, including airmails!
Less than 60¢ per cover.
Neat variety of cork fancy cancels on early US issues.