1918, 6c ORANGE AIR POST TOP PLATE #9155 BLOCK OF SIX MINT, #C1, lightly hinged in selvage only, stamps never hinged, fine-very fine, cat. $700.00 (Image)

$250

1918, 16c GREEN AIR POST TOP PLATE #8900 BLOCK LIGHTLY HNGED, #C2, well-centered and very fine, cat. $900.00 (Image)

$300

1939, 30c WINGED GLOBE AIR POST TOP PLATE #22381 BLOCK OF SIX NH, #C24, fresh, very fine, cat. $110.00 (Image)

$45

1914, 10c ULTRAMARINE SPECIAL DELIVERY LEFT IMPRINT # PLATE #5520 BLOCK OF SIX MINT, #E9, fresh and well-centered, lightly hinged, very fine, cat. $3,000.00 (Image)

$1,200