International express letter with perfin "U.M." in the stamps. The letter is franked correctly with 2 x 40 øre + [...]
![](https://www.mortenmikkelsen.dk/wp-content/uploads/2020/11/U06-6-scaled.jpeg)
International express letter with perfin "U.M." in the stamps. The letter is franked correctly with 2 x 40 øre + [...]
Local letter with perfin "U.M." in the stamps. The letter is franked correctly with 2 x 5 øre = 10 [...]
International letter with perfin "U.M." in the stamp. The letter is franked correctly with 40 øre, which was the rate [...]