1919, 10 coronas airmail issue with overprint "Posta Ceskoslovenska 1919" in type I, gray violet, unused with original gum, right short perforation, photo expertize Peter Darmietzel BPP (2024), rare stamp! (54Ia) Certificate (Image 1)

1919, 2, 50 coronas on 3 coronas airmail issue in type II, unused with original gum, very fine, photo expertize Peter Darmietzel BPP (2024) "genuine and immaculate" (72II) Certificate (Image 1)

1919, 4 coronas airmail issue with overprint "Posta Ceskoslovenska 1919" in type 2, unused with original gum, right few short perfs, photo expertize Peter Darmietzel BPP (2024), a rare stamp! (73) Certificate (Image 1)

1919, 2 Heller carmine with overprint "posta Ceskoslovenska 1919" in type 3, visually attrative copy of the rare stamp, regumed and reperforated, expertized Mahr, Karasek with photo certificate and new photo expertize Peter Darmietzel BPP (2024) (74) Certificate (Image 1)

Sample overprint 28 Kc. On airmail stamp, cut, unused with original gum, very fine, photo expertize Peter Darmietzel BPP (2024) "perfect" (193AProbe) Certificate (Image 1)

1934, national hymns miniature sheet souvenir sheet pair, cancelled by blue respectively red special cancel "PRAHA 25 31.12.34", very fine, photo expertize Peter Darmietzel BPP (2024) "genuine and immaculate" (330/31) Certificate (Image 1)

1948, Sokol Congress 1, 50 Kc. - 5 Kc. And 1 Kc. - 3 Kc. In unused and cancelled four souvenir sheets in Minster gift booklet which was distributed only to the foreign guests of the congress, in fact rare. (532/34,540/43) (Image 1)

1951, 20 Kc. Airmail issue "Baths: Silac", miniature sheet with 10 values, used, very fine, Michel 110.- (681Klb.) (Image 1)

1989, 3 coronas plus 4 coronas "maritime navigation", for a not issued stamp booklet intended stamp booklet sheet, mint never hinged, very fine, in fact rare, photo expertize Peter Darmietzel BPP (2024) "genuine and immaculate", Michel 700.- (2997/98) Certificate (Image 1)

1950, souvenir sheet issue "75 years Universal Postal Union", perforated and imperforated, both variety neat cancelled with first day postmark 2. July 1950. Michel 1.150.- (Bl.18A/B) (Image 1)

1985, special souvenir sheet with additional inscription in the margin at the bottom as well reverse overprint, Michel 220.- (Bl.175AI) (Image 1)

1934, 80 cent to 10 liras postal stamps Pope Pius XI with new overprinted value "40" to 3, 70", so named provisional set, unused with original gum, very fine, signed A. D (Diena), Michel 1.000.- (39/44) (Image 1)

1934, overprint 3, 05 L. On 5 L., sound, signed Vossen, Michel 400.- (43) (Image 1)

2 M. To 1 pound, independence, set complete, perfect mint never hinged, Michel 200.- (179/93) (Image 1)

3 M. To 1 pound tourism. Set complete, perfect mint never hinged. Michel 110.- (202/14) (Image 1)

Automats stamps printing error: "hedgehog with overprint A25", perfectly mint never hinged, enclosed explanation to of this stamp, interesting piece the automats stamps philately! (Image 1)

1951, complete set "birds". The Michel number 357 / 58 and 361 / 62 are *, otherwise ** (occasional small gum unevenness), Michel 800.- (339/62) (Image 1)

1888, postage due stamp 5 Piasters clean hinge, well perforated, Michel 340.- (P14I) (Image 1)

1939, annexation Italy, 30 C letter card from Italy without overprint, from DECAMERE ERITREA to Ornavasso in Italy with arrival postmark, commercially usage. (Image 1)

LIEBIG-CARDS: 14 original cards in French, Italian and German, with Abyssinian scene, small defects (Image 1)