1926-27 MAP AIR POST SET IN PLATE BLOCKS NH, #C7-C9, fresh, pre-printing paperfold in 10c block, fine-very fine, cat. $185.00 (Image)

$75

1927, 10c LINDBERGH AIR POST BOTTOM PLATE #18997 BLOCK OF SIX NH, #C10, tiny natural gum skips, very fine, cat. $130.00 (Image)

$65

1930, 65c GREEN GRAF ZEPPELIN MINT, #C13, well-centered, previously hinged, slight natural gum bends, fine-very fine, cat. $175.00 (Image)

$75

1930, $1.30 BROWN GRAF ZEPPELIN MINT, #C14, lightly hinged, fine-very fine, cat. $360.00 (Image)

$125

1937, 20c CHINA CLIPPER AIR POST TOP PLATE #21622 BLOCK OF SIX NH, #C21, very fine, cat. $85.00 (Image)

$40