Domestic letter with perfin "OO/B" in the stamp. The letter is franked correctly as printed matter with 5 øre, which [...]

Domestic parcel letter with COD 29,47 kr and perfin "OO/B" in the stamps. The letter is franked correctly with 2 [...]

International letter to Sweden with perfin "O.P." in the stamp. The letter is franked correctly with 30 øre, which was [...]

International letter to England with perfin "O.P." in the stamps. The letter is not franked correctly with 3 x 30 [...]