6c-24c 1918-23 Air Post (C1-C5). Plate number blocks of six, C6 top double plate no. and doub (Image)

$ 5,390.00

6c Orange, 1918 Air Post (C1). Top arrow and plate no. 9155 block of six, five stamps Mint N. (Image)

$ 700.00

16c Green, 1918 Air Post (C2). Mint N.H., brilliant color and proof-like impression, precise (Image)

120.00

24c Carmine Rose & Blue, 1918 Air Post (C3). Mint N.H., wide and exceptionally well-balanced (Image)

$ 130.00

24c Carmine Rose & Blue, 1918 Air Post (C3). Top arrow, double plate nos. 8493/8492 and two " (Image)

E. $ 750-1,000

16c Dark Blue, 1923 Air Post (C5). Mint N.H., mathematically perfect centering with wide marg (Image)

$ 120.00

24c Carmine, 1923 Air Post (C6). Mint N.H., wide margins and precise centering, vibrant color (Image)

$ 130.00

24c Carmine, 1923 Air Post (C6). Mint N.H. bottom plate no. 14840 block of six, brilliant col (Image)

$ 2,500.00

15c Map, Air Post (C8). Mint N.H., wide margins and mathematically perfect centering, strong (Image)

$ 4.75

15c Map, Air Post (C8). Mint N.H., rich color, perfectly centered, most recent certificate no (Image)

$ 4.75

10c Lindbergh, Air Post (C10). Mint N.H., bright color on post-office fresh paper, essentiall (Image)

$ 12.50

65c-$2.60 Graf Zeppelin (C13-C15). Mint N.H., rich colors, Very Fine and choice set (Image)

$ 1,640.00

65c-$2.60 Graf Zeppelin (C13-C15). Mint N.H., $1.30 with bottom plate no. selvage, Very Fine (Image)

$ 1,640.00

65c-$2.60 Graf Zeppelin (C13-C15). Top plate no. singles, h.r., $1.30 slightly oxidized, othe (Image)

$ 1,060.00

65c-$2.60 Graf Zeppelin (C13-C15). 65c unused (regummed), $1.30 large part original gum, $2.6 (Image)

$ 1,060.00

65c-$2.60 Graf Zeppelin (C13-C15). Mint N.H. plate no. blocks of six, 65c and $1.30 top posit (Image)

$ 15,200.00

65c-$2.60 Graf Zeppelin (C13-C15). Mint N.H. top plate no. blocks of six, rich colors and wel (Image)

$ 15,200.00

65c-$2.60 Graf Zeppelin (C13-C15). Mint N.H. blocks of four, $2.60 with top selvage with part (Image)

$ 6,560.00

65c-$2.60 Graf Zeppelin (C13-C15). Blocks of four, $1.30 with right plate no. 20087 selvage, (Image)

$ 5,400.00

65c-$2.60 Graf Zeppelin (C13-C15). Blocks of four, h.r. at center, 65c adherences on three st (Image)

$ 4,750.00

65c Graf Zeppelin (C13). With right plate no. 20078 selvage, small hinge remnant, wide (Image)

$ 175.00

65c Graf Zeppelin (C13). Block of four with left selvage, part arrow at bottom, bottom stamps (Image)

$ 830.00

65c Graf Zeppelin (C13). Block of four, rich color, each stamp well-centered, two strikes of (Image)

$ 750.00

65c, $1.30 Graf Zeppelin (C13-C14). Mint N.H., rich colors, $1.30 few small natural gum skips (Image)

$ 790.00

$1.30 Graf Zeppelin (C14). Mint N.H., with selvage at right, bright color, Very Fine and choi (Image)

$ 550.00