International letter to Sweden with perfin "O.P." in the stamp. The letter is franked correctly with 30 øre, which was [...]
O16 Oversøisk Passagerbureau
Morten Mikkelsen2020-08-29T14:27:30+02:00International letter to England with perfin "O.P." in the stamps. The letter is not franked correctly with 3 x 30 [...]
Ø07 A/S Det Østasiatisk Kompagni
Morten Mikkelsen2020-12-31T10:59:16+01:00Domestic letter with perfin "Ø.K." in the stamp. The letter is franked correctly with 10 øre, which was the rate [...]