International express letter with perfin Logo in the stamps. The letter is franked correctly with 3 x 15 + 35 [...]

Fig13 Det forende Damskibs-Selskab A/S
Morten Mikkelsen2021-01-31T19:30:58+01:00International post card with perfin Logo in the stamp. The post card is franked correctly with 2 x 5 = [...]

L53 Louis Poulsen & Co. A/S
Morten Mikkelsen2020-05-18T18:40:46+02:00Domestic letter with perfin "LP." in the stamp. The letter is franked correctly with 20 øre, which was the rate [...]
L53 Louis Poulsen & Co.
Morten Mikkelsen2020-05-15T13:47:04+02:00Post card with perfin "LP." in the stamps. The post card is franked correctly with 10 øre, which was the [...]