International letter with perfin “S.&N.” in the stamp. The letter is franked correctly with 20 øre, which was the rate for international letters in the period from October 1st 1907 to January 31th 1921. The stamp is cancelled May 10th 1916 with a whole letter cancellation machine Tp. SP. 4B. 3 3 3. Bro III. The letter has been censored by the french military.