International letter with perfin “H.B.” in the stamp. The letter is franked correctly with 25 + 15 øre = 40 øre, which was the rate for international letters in the period from February 1st 1921 to October 31th 1925. The stamp is cancelled October 27th 1922 with a whole letter cancellation machine Tp. SP. 4B. 1* Bro V.