LEOBSCHÜTZ, 20 Pfg blue, 50 Pfg dark grey vertical pair and two singles, Steelworks and Dove of Peace 1920 on registered letter to Washington D.C. / USA, double-circle LEOBSCHÜTZ 19 11 21 * * b (OS handbook No. 187.3), various transit and arrival handstamps on reverse, violet single-circle "174" on front, rare destination, age and use marks typical of period