Pof.L3, I. provisional air mail stmp. 28Kč/1000h imperforated blk-of-4 with lower margin and control-numbers; hinged, dusky paper in/at complete area after/around wrong placing, exp. by Gilbert., Vrba
Pof.L3, I. provisional air mail stamp. 28Kč/1000h, imperforated blk-of-4, thin transparent paper 0,05mm; label only in upper pair stamp., exp. by Karasek., Gilbert
Pof.L2A IIs, I. provisional air mail stmp. 24Kč/500h brown with lower margin without control-numbers, perf line perforation 13¾, zavřená spiral, plate 2; hinged, exp. Vrba
Pof.L1B-L3B, I. provisional air mail stmp., complete set of stamp. with perf comb perforation 13¾ : 13½, value 24Kč/500h open spiral - plate 1; hinged, exp. Vrba, nice centered line with hřebenovou perf!
Pof.L3B, I. provisional air mail stmp. 28/1000h, perf comb perforation 13¾ : 13½, 2 pcs of - shades red-violet color basic zn..; label, 1 pcs of exp. by Karasek
Pof.L3B, I. provisional air mail stmp. 28/1000h, perf comb perforation 13¾ : 13½, stamp. with lower margin with control-numbers; light label, exp. Darmietzel BPP
Pof.L3B, I. provisional air mail stmp. 28Kč/1000h violet, block of four with perf comb perforation 13¾ : 13½; mint never hinged, zk.Kar, Stolow, Vrba, sought block of four!
CHYBOTISK overprint 24Kč/1000h in dark blue color on stmp 1000h violet, cat. Merkur L2X, with lower margin and control-numbers, full overprint offset on gum; label, zk.Vrba, Walner
Pof.L1Pp, I. provisional air mail stmp. 14Kč/200h blue with INVERTED overprint and with incomplete overprint offset, wide margins; hinged, exp. Vrba, Šula, inverted overprints are on/for air-mail issue sought!
Pof.L2Pp Is, I. provisional air mail stmp. 24Kč/500h with upper margin, INVERTED overprint, open spiral - plate 1, overprint offset; mint never hinged, certificate + exp. Vrba, luxury piece rare and sought stamps with inverted opt!
Pof.L3A Pp, I. provisional air mail stmp. 28Kč/1000h light violet with line perforation 13¾, INVERTED overprint; hinged, certificate + exp. Vrba, very fine piece rare and sought stamps!
Pof.L3B Pp, I. provisional air mail stmp. 28Kč/1000h light violet with perf comb perforation 13¾ : 13½, INVERTED overprint; hinged, exp. Vrba and Gilbert, very fine piece rare and sought známky!
1920 AIRMAIL STAMPS SMĚROVKY / comp. 5 pcs of official air-mail směrovek: 1x for tracks Prague - Paris + Prague - Warsaw, 1x horizontal pair Prague - Paris with omitted středovou perf and L margin, 1x right upper corner horizontal pair Prague - London with double středovou perf (condition *, slightly povolená perf), 1x for track Prague - Paris with full machine offset on gum and R margin; sound condition
1920 AIRMAIL STAMPS SMĚROVKY / off. air-mail směrovky for all 4 tracks, comp. 10 pcs of, Prague - Strasbourg (2x), Prague - Paris (1x), Prague - London (5x) and Prague - Warsaw (2x), from that 1x pair, 3 pcs of with upper margin; label, 1x marginal piece with spots
1912 POČÁTKY AVIATION / Exhibition vynálezů modern technique, Prague 1. - 13.X.1912, Shooting island, comp. 6 pcs of advertising labels in various colors with picture aircraft and car, 3x with gum (1x thin place), 3x without gum; rare occurrence
PLATE PROOF complete set of 3 pcs of plate proofs overprints values 14CZK, 24CZK and 28CZK in original colors, on/for stronger white carton; without defects, exp. Vrba
PLATE PROOF complete set imperforated plate proofs in/at definitive colors on common paper without gum, value 24Kč/500h with double overprint; exp. by Karasek., Vrba
PLATE PROOF comp. 3 pcs of double plate proofs overprints, 14CZK in/at brown and 24CZK in dark blue color on brownish paper + 14CZK in/at brown and inverted overprint in/at blue on/for maculature print stamp. 200h blue; good condition, 1x exp. Fischmeister
PLATE PROOF comp. 3 pcs of plate proofs overprints, complete set of values 14CZK, 24CZK and 28CZK in black color, all print from nedohotovených cliché, 2 pcs of on/for stronger smooth carton, value 28CZK on white paper; without defects, all exp. Vrba
PLATE PROOF comp. 3 pcs of vertical pairs with trial printings overprints 14CZK and 24CZK in original colors, all on proof tiscích Hradčany 200h blue on green paper, 2x double overprint 14CZK, 1x double overprint 14CZK in various colors brown, 1x both overprints double also on edge sheet; without defects, 1x exp. Vrba
PLATE PROOF comp. 3 pcs of horiz. pairs with trial printings overprints 14CZK and 24CZK in/at joined printing on greeny paper in original colors, from that 2 pcs of with double opt 14CZK and 1 pcs of with double overprint also values 24CZK; without defects, 1x exp. Vrba
PLATE PROOF comp. 3 pcs of plate proofs overprint 14CZK in/at original red-brown color on/for white, brown and green paper without gum; very fine, 2x exp. Vrba
PLATE PROOF triple overprint 14CZK in brown color on/for block of 6 maculature print stamp. Hradčany 200h blue, on green paper without gum; without defects, exp. Vrba, blocks are sought!
PLATE PROOF overprint trial printing values 14CZK in/at red-brown color on brown papers as blk-of-4; without defects, exp. Vrba, rare occurrence plate proofs in čtyř blocks!
PLATE PROOF plate proof overprints in original colors on/for maculature print stamp. Hradčany 200h blue with wide bottom margin without control-numbers, overprint 14CZK over stamps, double inverted overprint 24CZK on/for complete area, print on green paper; without defects, exp. Vrba
PLATE PROOF plate proof overprints, joined printing values 14CZK and 24CZK in original colors on green paper without gum, block of four, value 14CZK double impression; without defects
PLATE PROOF overprint trial printing on/for maculature print stamp. Hradčany 200h blue with lower margin without control-numbers, double overprint in brown color, on green paper without gum; without defects
PLATE PROOF comp. 3 pcs of plate proofs overprint 24CZK in dark blue color on trial print stamp. Hradčany 500h in brown color, from that 1x normal and 1x double overprint, both stamp. spiral type II + 1x double blue and inverted brown overprint; exp. by Karasek., Vrba
PLATE PROOF 2x double overprint trial printing 24CZK in blue color on/for maculature print stamp. 500h brown, zavřená also open spiral; without defects
PLATE PROOF overprints 24CZK and 14CZK in original colors on/for marginal block of four maculature print stamp. 500h brown with wide margin, spiral type I., on green paper without gum, overprint 24CZK only on stmp, double inverted overprint on/for complete area; perfect condition, exp. Vrba, decorative block
PLATE PROOF inverted overprint 24CZK in blue color on/for bottom corner block of four with wide margin maculature print stamp. Hradčany 200h blue without control-numbers, on green paper without gum; perfect condition, exp. Vrba, quite rare decorative multiblock air-mail plate proofs!
PLATE PROOF proof double impression overprint 24CZK in blue color on/for maculature print stamp. Hradčany 500h brown, block of four, zavřené spiral; good condition, exp. Vrba, blocks are sought!
PLATE PROOF overprint 28Kč/5h blue-green, overprint in brown color on/for zkusmém print stamp. Hradčany 5h, V. printing, on/for ordinary browny paper without gum; exp. Vrba, small/rare výskyt!f
PLATE PROOF overprint values 28CZK in black color, vertical pair on white paper without gum; without defects, exp. Vrba, plate proofs overprint in/at strips and blocks are sought!
