1920, 125h, 16 imperforate plate or trial color proofs in gray, blue or violet on white ordinary, white chalk-surfaced, rose or yellow paper, one proof without value and one with mirrored design, full OG, NH, LH or no gum as produced, VF, seven proofs with experts' signs, Pofis #140 (Image)

1920, 500h, six imperforate plate proofs in gray on white, blue gray, creamy or orange paper, typo or litho printing, full OG (1), NH or LH (1), VF, experts' guarantees on reverse, Pofis #141 (Image)

1920, 1000h, 11 imperforate plate or trial color proofs in gray, black or violet, including one block of four (folded between stamps), printed on white chalk-surfaced, gray, creamy and pinkish ordinary paper, full OG or no gum as produced, VF, most with experts' hs on reverse, Pofis #142 (Image)

1920, unissued denomination of 2000h, five imperforate essays in blue, olive green, violet, red and brown, printed on ordinary or chalk-surfaced paper, all with full OG, NH or LH (1), VF, all with experts' hs on reverse (Image)

EXHIBITION STYLE COLLECTION: 1920, about 100 mint and used (20 - mostly different cancellations) stamps; shades, paper and perforation errors, 19 imperforate and perforated proofs, 29 essays of denomination 50h and one for denomination 2000h (perforated), nice unit in every respect, full OG or no gum as produced, mostly VF, Est. $800-$1,000 (Image)

EXHIBITION STYLE COLLECTION: 1920, over 330 mint and used (160 - various cancellations and perfins), 69 plate or trial color proofs, 5 printer's waste items, paper, printing and perforation varieties, including specialized part of ''White Leaves'' stamps, minor flaws possible on used stamps, generally fresh quality material, full/part of OG or no gum as produced, F/VF, Est. $750-$1,000 (Image)

1920, 10h dark green, perforation 13¾, full OG, NH, F/VF, expertized by R. Gilbert, J. Karasek and others, Pofis #145B, C.v. CZK8,000 (Image)

1920, imperforate 10h and 15h, both in brown olive, perforated 15h in red brown, three proofs with six stars on the background, full/large part of OG, VF, Pofis #145, 147 (Image)

1920, 5h violet, perforation 13½, side margin horizontal strip of nine with gutter between 6th and 7th stamps, containing two tete-beche pairs, full OG, NH, VF (Image)

EXHIBITION STYLE COLLECTION: 1920, over 370 mint and used (82 with various cancellations) stamps, including 11 imperforate varieties, 22 tete-beche pairs, numerous positional pieces in singles with control numbers and blocks with various labels, 52 plate and trial color proofs, numerous errors, such as double prints, printings on gum side and more, generally fresh unit, full/part of OG or no gum as issued, F/VF, Est. $750- $1,000 (Image)

1926, Pernstein Castle, 30h gray green, coil stamp in vertical strip of three imperforate horizontally, full original slightly dry gum, VF, several experts' hs on reverse, VF, Pofis #210 var (Image)

EXHIBITION STYLE COLLECTION: 1926, 267 mint and used (60%) stamps, variety of perforation and watermarks, including coil stamps of 20h with block of six imperforate horizontally, and 30h, 12 marginal singles or blocks, 7 of which with control numbers, 4 large die numbered proofs, nice range of various cancellations, occasional flaws possible on used material, fresh unit overall, full/part of OG or used, F/VF, Est. $800-$1,000 (Image)

1920, two enlarged format essays of 25h in gray or red, size 22.5x27mm and 22x26mm instead of 18x21mm, date 19-25/XI-18 instead of denomination, full OG, NH or hinged, VF, Pofis #152P (Image)

1920, 50h yellow green, perforation 13½, two horizontal tete-beche pairs, one with gutter in the middle, large part of OG, VF, various experts' hs, Pofis #156TBa, TBb (Image)

EXHIBITION STYLE COLLECTION: 1920, about 500 mint and used (160 with various cancellations and perfins) stamps, including 86 mostly imperforate plate and trial color proofs, in addition 68 imperforate stamps unissued color, 33 tete-beche pairs, some in blocks, numerous paper, color and perf varieties, different stamp types and more, great unit in every respect, full/part of OG, F/VF, Est. $1,000-$1,200 (Image)

1918-74, over 2,400 mint stamps and souvenir sheets (a dozen used), starting with Hradcany issue, including postage, semi-postal, air post and other back of the book material, very well completed collection, here are 5 pages of Posta Ceskoslovenska 1919 overprints with just a few stamps properly expertized, several Scott listed varieties mentioned, clean and nice unit overall, full/part of OG, NH (sporadically from all periods and completely after 1960), LH/hinged, F/VF, C.v. $2,700 plus over $12,000 in overprints, Est. $800-$1,000 (Image)

1918, 5h-1000h, 10h-500h, 12 imperforate and 5 perforate stamps with black overprint ''VZOREC'' (Specimen), nice and fresh, full OG, NH or LH (5, including imperf 20h), VF, each one with different experts' hs, Pofis C.v. CZK7,800 (Image)

1918, 5h-300h, 10h and 20h, 7 imperforate stamps with inverted black overprint ''VZOREC'', full OG, NH (3, including 20h) or LH, VF, experts' guarantees on reverse, Pofis C.v. CZK9,000 (Image)

1918, 30h dark violet, imperforate single of type I, full OG, NH, VF, several experts' hs on reverse, C.v. $150 as hinged, Pofis #13Na, CZK5,500 (Image)

LARGE EXHIBITION STYLE COLLECTION: 1918, about 800 mint and used (40%) imperforate and perforated stamps in singles, pairs, strips, blocks and large multiples of 20 or 25, numerous paper, perforation or printing varieties, 57 trial color, plate proofs and specimen overprints, 130 stamps from printer's waste in large blocks; nice range of different cancellations for most values, generally nice and clean quality unit, full/large part of OG, F/VF, Est. $2,000-$2,500 (Image)

EXHIBITION STYLE COLLECTION: 1920, 140 mostly mint stamps (4 - used), including 58 mostly imperforate plate or trial color proofs, 25 imperforate singles and blocks in issued colors, 9 singles or multiples with control numbers, numerous perforation, paper and color varieties, perfect collection, full/large part of OG or no gum as issued, F/VF, Est. $500-$600 (Image)

1920, Coat of Arms, (25k) blue and red, overprint ''1920'' and set of surcharges 2k-1r, the total is 11 stamps, large part of OG, F/VF, C.v. $328 (Image)

EXHIBITION STYLE COLLECTION: 1930, 58 mint or used (38) stamps, including type I and II of 50h stamps, coils of 1k brown red, three positional pieces (one is used pair), group of eight ''trial color proofs'', which are apparently from modern private issue, nice and clean unit, full/part of OG or used, F/VF, Est. $100-$150 (Image)

Provisional issues. EXHIBITION STYLE COLLECTION: 1919-21, 27 stamps, including two sheets of eight (one - tete-beche sheet), 12 reproductions in form or plate or die proofs, nice quality unit, full/large part of OG, F/VF, Est. $400-$500 (Image)

The First issue. 1918, 2h gray green, left sheet margin vertical gutter pair (gutter 28mm), horizontal fold along the gutter, full OG, NH, VF, expertized by R. Gilbert, Pofis #NV1Ms (Image)