Austrian Postage Due 1908/13 30 h. red, type 3, unused, very fine, signed Mrnak and certificate Darmietzel BPP (2018) and certificate Vrba (2023)

Overprint on Turul: 70 f. brown on greenish, type IV, unused, at top tiny shorter perfs, hardly perceptible horizontal bend, otherwise fine, only 150 issued, signed Gilbert a.o. and certificate Darmietzel BPP (2019)

Overprint on Hungarian Postage due stamps with black numerals: 5f., type I, unused, hardly perceptible gum bend at upper left, fine, scarce with only 200 printed, signed Mrnák a.o. and certificate Darmietzel BPP (2019)

1936, Olmütz Kathedrale 5 Kronen Farb-Probedruck, vier verschiedene als Einzelabzüge im Blockformat auf ungummierten Papier, einwandfrei, selten

1936, Olomouc Cathedral 5 kronen colour proof, four different as single proofs in block format on ungummed paper, fine, rare

1952, Ludwig van Beethoven 1,50 Kronen und 5 Kronen Probedruck in Schwarz, drei bzw. zwei verschiedene Phasendrucke auf ungummierten Papier in einwandfreier Erhaltung, signiert Karasek

1952, Ludwig van Beethoven 1,50 kronen and 5 kronen proof in black, three resp. two different phase prints on ungummed paper, fine, signed Karasek

1918/1997 mint and used stamp collection, comprising five large albums, mixed condition especially early on, from Michel 159 in the main apparently complete, large quantity used between 1918 and 1968, some duplication in two albums, beyond this mainly a mix with many mint, a good to fine collection. 

1918/1992, mainly mint collection in two binders with main value in postwar period which appears to be except a few complete, some stamps with gum irregularities (stuck to/glued to surface). In addition one album with first day presentation sheets 1954/1965.

1945/92, used, very large extent complete collection in stockbook.

1772/1918 specialised Prague postal history collection, presented in three large albums, from early pre-philatelic period through to the first issues of Austrian Empire, includes entires, envelopes, cards, stationary, documents, even a franked 1898 Flying Leaf periodical newspaper, one album entirely devoted to pre-stamp illustrating the evolution of the early Prague handstamp in red, black and blue, extensive range of franked covers set-out in two volumes, good range of different postmark, numerous very fine cancellations, single and multiple usages, varied destination, postage dues, uprated stationery, picture postcards, registered, machine cancels, many hundreds of covers, scarce and rare examples throughout, condition is generally fine with several very fine, also has a number of old maps and a historical book, a comprehensive and excellent original collection. 

1910/ 1948 specialised postal history collection of Královské Vinohrady, a district of Prague which in English literally means "Royal Vineyards" and was so named because in the 14th century the area was a vineyard, comprising four large albums, containing many hundreds of covers, cards and numerous attractive picture postcards illustrating and depicting the distrcit through time, a broad range of usages, frankings, postmarks, destinations, scarcer combinations and markings, including Austrian Empire through to CSR and German occupations, comes with a 1929 book dedicated to the district during the period 1849/1879, condition is generally fine with some very fine items, a delightful and historical original collection.  

1945/1948 specialised Rubber handstamp collection on covers, comprising five albums, organised A to Z, Andelska to Znoimo, includes an additional album with adaptive handstamps used between 1945/1948, as well as a bundle of loose sorted example, varied colour cancels from violet, red, blue and black, as well as many fine and attractive strikes, a varied variety of frankings, destinations and usages, including registered, postage due, instructionals and mixed combination frankings, many hundreds of covers, in mostly fine condition, an exceptional original collection.

"ULTRAMAR": 1900/35 (ca.), unused group of over 78 postal stationery cards and reply cards with the security overprints from the Portuguese UPU postal archives for the colonies, incl. "COLONIAS", "SPECIMEN", together with some parcel cards; some toning and mixed condition, a very scarce group