International letter with perfin “ACI” in the stamps. The letter is franked correctly with 20 øre. Which was the rate in the period from October 1st 1907 to January 31th 1921. The stamp is cancelled October 16th 1914 with Kjøbenhavn *K.* Bro IIIb-5. The letter is censored by the Englishmen because of the 1. world war.