1916, 25 Pf. Lilac red, with signature, superb, Michel 400.- (Image)

1918, 30 Pf. Black, mint never hinged, superb, expertized Dr. Hochstädter, Michel 330.- (Image)

1918, 30 Pf. Black with 10 Pf. "Germania" on card, superb, R! Photo expertize Huylmans (Image)

1918, 60 Pf. Black with 20 Pf. "Germania" on cover (folded), very fine (Image)

1916, 2 ½ Pf. Dark olive gray, overprint shining, in the margin eight souvenir sheet with Original-HAN, rare cancel "SIEDLCE *a*", superb (Image)

1916, 7 ½ orange, plate printing in the right upper corner margin block of four with rare cancel "SIEDLCE *a*", superb (Image)

1916, 10 Pf. "local post", control impression dark red purple, as usual perforated superb, expertized Jendroszek, Michel 700.- (Image)

1916, 10 and 20 Pf. "local post", control impression dark blue violet, without gum, superb, expertized Jungjohann (Image)

1916, 10 Pf. "local post", without control impression, without gum, superb (Image)

1916, 20 Pf. "local post", control impression dark blue violet, superb, signed, Michel 400.- (Image)

1919, 20 Pf. Dark violet blue, type I, rest of hinge, one short perf otherwise superb, abridged certificate Nagler, Michel 170.- (Image)

1919, 5 Pf. Bluish green, type II, overprint violet blue, superb piece of letter, Michel 150.- (Image)

1919, 5 Pf. Bluish green, type II, overprint red, superb piece of letter, Michel 130.- (Image)

1919, 15 Pf. Black violet, type II, overprint violet, superb, expertized A. Schlegel, Michel 400.- (Image)

1919, 15 Pf. Black violet, type II, overprint violet, superb piece of letter, expertized Dr. Hochstädter, Michel (400.-) (Image)

1919, 15 Pf. Black violet, type II, overprint red, as usual perforated superb piece of letter, signed, Michel 130.- (Image)

1919, 20 Pf. Dark violet blue, type II, overprint red, superb piece of letter, signed, Michel (80.-) (Image)

1919, 25 Pf. Red orange / black, type II, overprint violet blue, small perforation fault otherwise superb, expertized A. Schlegel, Michel 650.- (Image)

1919, 50 Pf. Dark gray purple / black on pale chrome-yellow, type II, overprint violet blue, superb piece of letter, expertized A. Schlegel, Michel (650.-) (Image)

1916, 10 Pf. Carmine, superb piece of letter, expertized Hey, Michel 90.- (Image)

1916, 50 Pf. Gray lilac / black, rotary printing "1`4`1 / 2`3`2" in the block of four, margins a little shortened, superb, Michel (200.-) (Image)

1917, 15 B. On 15 Pf. Blackish bluish violet, without overprint "M. V. I. R. ", upper margin copy, rotary printing, mint never hinged, superb, expertized Mikulski, Michel 300.- (Image)

1917, 25 B. On 20 Pf. Lilac ultramarine, without overprint "M. V. I. R. ", upper margin copy, plate printing, mint never hinged, superb, expertized Mikulski, Michel 300.- (Image)

1917, 40 B. On 30 Pf. Dark red orange / black on pale chrome-yellow, without overprint "M. V. I. R. ", mint never hinged, superb, expertized Mikulski, Michel 300.- (Image)

Postage due stamps: 1918, 5 and 10 B. Dark gray ultramarine on dully grey green, watermarked, mint never hinged, superb, Michel 120.- (Image)