Airmail during of the Eisenbahnerstreiks: 1919, international letter from Gdansk Long load 15. 11. 19 with horizontal strip of three 10 Pfg. airmail and postage order "with airmail" to Vienna with arrival postmark. During of strike were covers without Luftpostgebühren from and to Berlin flown, then with normal post further transported, scarce document from this short time!