1973 Bhutan
1972 Bhutan
1995 Micronesia
1996 Micronesia
1995 St. Thomas & Prince Islands
1996-97 Guinea
1996 Gabon
1982 Laos
1984 Mongolia
1987 Nicaragua
400 postally used US stamps, including airmails!
Less than 60¢ per cover.
Neat variety of cork fancy cancels on early US issues.