International letter with perfin "Ph.G." in the stamp. The letter is franked correctly with 15 øre, which was the rate [...]

International cash on delivery (COD) with perfin “PIB” in the stamps. The post card is franked correctly with 15 + [...]

International letter with perfin “PIB” in both the Danish and Swedish stamp. The letter is franked correctly with 30 øre [...]

Domestic letter with perfin “P.J./B.” in the stamp. The post card is franked correctly as printed matter with 6 øre, [...]