1996 Micronesia
1995 Micronesia
2006 Hong Kong
1978 Mongolia
1987 Nicaragua
1980 South West Africa
1982 Central African Republic
1973 Bhutan
1993 Tanzania
1993 Tajikistan
1979 Faroe Islands
400 postally used US stamps, including airmails!
Less than 60¢ per cover.
Neat variety of cork fancy cancels on early US issues.