Los-Nr. 1300

FIELD POST OFFICE "POCZTA POLOWA N°37": Postal stationery reply card 15 h. green, used with cds. "LWOW" to Osowiec, adjacent cds. "FRONTOWA POCZTA POLOWA N°37 26 IX 1919", repeated on reverse; fine, scarce mail from the Polish-Byelorussian front