International registered letter with perfin "HP" in the stamp. The letter is franked correctly with 70 øre, 40 øre was [...]

H45 Hilligsøe, Køedt & Co.
Morten Mikkelsen2021-06-20T11:25:05+02:00International letter with perfin "H.K." in the stamp. The letter is franked correctly with 40 øre, which was the rate [...]

P22 “Illustration”
Morten Mikkelsen2020-11-21T16:54:50+01:00International letter with perfin “PIB” in both the Danish and Swedish stamp. The letter is franked correctly with 30 øre [...]

P23 Presse Illustrations Bureau, Carlsen’s Clichefabrik
Morten Mikkelsen2020-10-09T08:43:30+02:00Domestic letter with perfin “P.J./B.” in the stamp. The post card is franked correctly as printed matter with 6 øre, [...]