1974 Australia
1978-86 Australia
1973-79 Australia
1978-79 Australia
1979 Australia
1976 Australia
1976-78 Australia
1975 Australia
1972-74 Australia
1970 Australia
1977 Australia
1972 Australia
1975-82 Australia
1977-79 Australia
400 postally used US stamps, including airmails!
Less than 60¢ per cover.
Neat variety of cork fancy cancels on early US issues.