1918, 50k. in combination with 10k. on 3k. and 50k. on 2k. imperforated all tied by cds. "POCZTA POLOWA I. POL. KORP 4" to value declared cover adressed to the First Lieutenant W. Janaewski, chief physician at the 1st Rifle Division from Lieutenant General Stanislaw Gurbski, MD., reverse with two large intact wax seals "PRZESYLKA PIENIEZNA 1 POCZTA POLOWA", a scarce and attractive cover, signed. Petriuk PZF with certificate (2022)

1918, 25k. tied by cds. "POCZTA POLOWA I POL KORP 21.5.18" as additional franking to registered postal stationery card 5k. to Mohylow, in addition 35k. tied by cds. "POCZTA POLOWA I POL KORP 15.4.18" to Bobruisk, fine, signed Petriuk PZF with two certificates (2022)

1918, Postal stationery card 10 on 5 k. cancelled with cds. "POCZTA POLOWA I. POL. KURP. *2 29.5.18" and text and arrival mark on front