Airmail, 1918, 24¢ carmine rose & blue, top margin plate number "8492" single, o.g., never hinged, bright colors, Extremely Fine and choice; with 2000 P.F. certificate. Scott No. C3  $140. $0 (Image)

Airmail, 1918, 24¢ carmine rose & blue, top margin plate block of 12 with plate no.'s "8493" & "8492", double "Top" and arrow, o.g., never hinged (few small gum skips on three stamp at ends), rich radiant colors, position five with superb gem centering, Very Fine and choice. Scott No. C3  $1,850. $0 (Image)

Airmail, 1918, 24¢ carmine rose & blue, top margin plate "8492" & "8492" block of 12 with "TOP" imprints, o.g., never hinged (natural gum skips on top left stamp), attractive overall centering, rich colors, fresh and Very Fine. Scott No. C3  $1,850. $0 (Image)

Airmail, 1918, 24¢ carmine rose & blue, "High Flying Plane", vignette shifted up and to the left, natural s.e. at top, used with 3¢ purple (501), tied by purple "Airmail Service Wash. N.Y. Phila. 'New York' May 15 1918 First Flight" duplex first flight cover (AAMC 101R cat $750) from New York to Washington D.C., Economist Stamp Co. corner card; vertical file fold, tiny edge tear, F.-V.F., An interesting use of a "low flying fast plane" sent from Warren H. Colson., ex-Gibson. Scott Nos. C3 var.  Estimate $300 - 400. $0 (Image)

Airmail, 1918, 24¢ carmine rose & blue, "Low Flying Fast Plane", vignette shifted to left and down, tied by "Boston to New York" cancel on Jun 8th 1918 Government First Flight (AAMC 105), matching "Boston First Trip" cachet, addressed to Washington D.C., clean and Very Fine, An interesting use of a "low flying fast plane" sent from Warren H. Colson. Scott Nos. C3 var.  Estimate $300 - 400. $0 (Image)