International letter with perfin "D.S.K." in the stamp. The letter is franked correctly with 30 øre, which was the rate [...]

Fig09 A/S Det Alm. Handelskompagni
Morten Mikkelsen2021-01-31T07:43:34+01:00International letter with perfin Logo in the stamp. The post card is franked correctly with 20 øre, which was the [...]
P38 P. & S. Plum, LTD.
Morten Mikkelsen2020-10-10T09:25:26+02:00International letter with perfin "P.S.P." in the stamp. The letter is franked correctly with 20 øre, which was the rate [...]

G16 Geodætisk Institut
Morten Mikkelsen2020-02-09T15:01:50+01:00Domestic letter with perfin "GI" in the stamp. The letter is franked correctly with 30 øre, which was the rate [...]