International letter with perfin "C.L." in the stamp. The letter is franked correctly with 40 øre, which was the rate [...]

International letter with perfin "C.L." in the stamp. The letter is franked correctly with 40 øre, which was the rate [...]
Domestic letter with perfin Logo in the stamps. The letter is franked correctly with 2 x 4 + 7 øre [...]
Domestic letter with perfin Logo in the stamp. The letter is franked correctly as printed matter with 5 øre, which [...]
Domestic letter with perfin Logo in the stamp. The letter is franked correctly with 10 øre, which was the rate [...]