Six Early Souvenir Cards from Canada Post:
Unitrade #1 (1959) (vertical fold)
Unitrade #3 (1961)
Unitrade #7 (1965)
Unitrade #10 (1968)
Unitrade #11 (1969) (loose stamps provided)
Unitrade #13 (1971) (loose stamps provided)
Unitrade cat. value: $80