Domestic letter with perfin "C." in the stamp. The letter is franked correctly as printed matter with 10 øre, which [...]
![](https://www.mortenmikkelsen.dk/wp-content/uploads/2019/10/C01.jpeg)
C01 Creditreformforeningen Danmark
Morten Mikkelsen2019-10-12T09:29:48+02:00International letter with perfin "C." in the stamp. The letter is franked correctly with 20 øre, which was the rate [...]
![](https://www.mortenmikkelsen.dk/wp-content/uploads/2019/12/C01-4-scaled.jpeg)
C01 Creditreformforeningen Danmark
Morten Mikkelsen2019-12-27T10:09:57+01:00Local letter with perfin "C." in the stamp. The letter is franked correctly with 10 øre, which was the rate [...]