1955 Canada
1968 Canada
1917 Canada
1934 Denmark
1957 Canada
1930-31 Canada
1899 Queensland
1966 Canada
1960 Canada
1951 Canada
1967 Canada
1969 Canada
400 postally used US stamps, including airmails!
Less than 60¢ per cover.
Neat variety of cork fancy cancels on early US issues.