Local printed matter with perfin "C.L." in the stamp. The letter is franked correctly with 5 øre, which was the [...]

Local printed matter with perfin "C.L." in the stamp. The letter is franked correctly with 5 øre, which was the [...]
International post card with perfin "C.L." in the stamp. The letter is franked correctly with 10 øre, which was the [...]
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 "CM" in the stamp. The letter is not franked correctly with 2 x 15 = 30 [...]