1963 Burundi
1911 Mozambique Company
1975 Malawi
1967 Burundi
1925-31 Mozambique Company
1973 Mauritius
1960 Morocco
1863 Mauritius
1969 Burundi
1977 Mauritius
1964 Burundi
1966 Burundi
400 postally used US stamps, including airmails!
Less than 60¢ per cover.
Neat variety of cork fancy cancels on early US issues.