Domestic registered letter with perfin "O.M." in the stamp. The letter is franked correctly with 25 øre, 10 øre was the [...]

Domestic registered letter with perfin "O.M." in the stamp. The letter is franked correctly with 25 øre, 10 øre was the [...]
Domestic letter with perfin "L. F. M." in the stamps. The letter is franked correctly with 10 øre, which was [...]