1873-74 Shahi value dated 1290, unissued proof in purple, medium laid paper, unused without gum, margins all around, horizontal crease, otherwise fine, scarce, cat. £600 (Cat No. SG 13P) (Image)

Cat. £600, Est.US$500

1899 5p orange and black, center inverted, centered to top, heavy h.r., fine and rare, only 50 printed, cat. $2750 (Cat No. 140a) (Image)

Cat. $2750, Est.US$1,500

1910 Centenary of the Republic, 1/2c black & gray, 2c olive & gray, 4c dark blue & green, 12c bright blue, 50c carmine & black, also 5p orange & violet, six different, each with center inverted, well centered, lightly hinged and incredibly fresh, several pencil signed, mostly v.f., with 2008 Pascal Scheller certificates. A rare group of inverted centers, cat. $5200 (Cat No. 160a/173a) (Image)

Cat. $5200, Est.US$4,000

1864 (10 Feb) FL from Hannover to Aussig, franked with Austrian 5kr carmine, stationery cut square used as postage, fine and unusual item, with arrival pmk, signed Matl (Image)

Est.US$250

1864 (31 Mar) cover to Paris franked with 10kr blue perf. 14 used in combination with 15kr brown perf. 9 1/2, tied by bold two line dated Sniatyn hs in black, and by red transit cds, v.f., with arrival pmk. An attractive mixed franking cover used in Western Ukraine (Cat No. 20,26) (Image)

Est.US$300

1867 (6 Sep) cover to Paris, France, franked with 1863 15kr, used in combination with 1867 10kr Coarse print, some toning, otherwise a handsome item with departure and arrival pmks on front (Image)

Est.US$500

1919 Parliament 4k carmine and black, center inverted, n.h., fine and rare never hinged, pencil signed (Mi.287K, Euro 3,000) cat. $2750 (Cat No. 222a) (Image)

Cat. $2750, Est.US$2,500

1945 German Hitler stamps overprinted "Oesterreich", unissued 3pf brown, overprint inverted, block of four, n.h., v.f., signed Dr.Wallner (ANK 8x, Euro 1,200) (see note in Scott following No.393) (Image)

Est.US$300

1930-35 collection of 51 covers or cards, all different flights and cachets, some mixed franking with German adhesives, usually addressed to New York or Los Angeles, fine-v.f. and seldom offered group of Austrian Catapult covers (Image)

Est.US$7,500

1936 Ski Concourse Issue, set of four, panes of 30, n.h., v.f., cat. $3900 (Cat No. B138-41) (Image)

Cat. $3900, Est.US$1,500

1946 Karl Renner souvenir sheets of eight, complete set, n.h., fine-v.f., cat. $2000 (Cat No. B185-188) (Image)

Cat. $2000, Est.US$500

1930 South America Flight card, Cape Verde drop, with 21 May 30 cancel on back, fine and scarce (Image)

Est.US$150

1932 3rd SAF card, mixed franking with Germany, fine and scarce card (Image)

Est.US$500

1863 15s yellow brown, large part original gum, reperforated at bottom, gum creases, fine appearance, cat. $11500 (Cat No. 19) (Image)

Cat. $11500, Est.US$500

1910 5c-5fr, eight different perforated and gummed trial color proofs in black, fine-v.f. (Cat No. 45/57P) (Image)

Est.US$500

1932 (18 May) "Bremen" to New York, blue cachet, mixed franking with German adhesives, fine-v.f., rare (Image)

Est.US$500

1937 (22 June) "Bremen" to Canada, red cachet, mixed franking with German adhesives, with New York and Vancouver arrival markings, v.f. and rare (Image)

Est.US$500

1915 2fr violet, h.r., pencil signed, fine and rare stamp, cat. $1900 (Cat No. Q59) (Image)

Cat. $1900, Est.US$750

1930 Dortmund Flight, large cover attractively franked, used in combination with German 2M South America (C38) cancelled on board, fine and scarce flight (Image)

Est.US$750

1916 Lake Titicaca, 2c carmine and black, centers inverted, perf. and imperf. blocks of four, h.r., v.f., cat. $1600 (Cat No. 113c,113d) (Image)

Cat. $1600, Est.US$750

1924 Aviation School, 10c vermilion & black, center inverted, top sheet margin single, l.h., v.f., signed Sanabria, cat. $3250 (Cat No. C1a) (Image)

Cat. $3250, Est.US$1,500

1906 Issue, three different unexploded booklets, with 50r, 100r and 200r, glassine interleaving stuck to the stamps, fresh, fine-v.f. (Cat No. 176a,177b,178a) (Image)

Est.US$500

1909 unexploded 1$300 booklet with panes of 50r, very fresh, usual dried gum and faint toning affecting the panes, fine intact booklet (RHM CD1) (Cat No. 176a) (Image)

Est.US$150

1909 unexploded 2$500 booklet with panes of 100r, very fresh, usual dried gum and faint toning affecting the panes, fine intact booklet (RHM CD1) (Cat No. 177a) (Image)

Est.US$300

1932 Revolutionary Forces Issue, complete set, blocks of four, three high values n.h. (usual slightly dried gum), others hinged or n.h., fine-v.f., scarce in blocks (Cat No. 364-374) (Image)

Est.US$400