Airmail, 1918, 24¢ carmine rose & blue. Top margin plate block of 12 with two plate numbers and "TOP" imprints, o.g., never hinged (natural gum skips in top left and right stamps only), attractive centering, brilliant color, fresh and Very Fine. Scott No. C3  $2,000. $0 (Image)

Airmail, 1918, 24¢ carmine rose & blue. O.g., never hinged, beautifully centered amid large oversized margins, bright colors, fresh, a Superb gem; with 1988 P.F. certificate for block. Scott No. C3  $150. $0 (Image)

Airmail, 1918, 24¢ carmine rose & blue. O.g., never hinged, fresh and Very Fine. Scott No. C3  $150. $0 (Image)

Airmail, 1918, 24¢ carmine rose & blue. O.g., lightly hinged, well centered, Extremely Fine. Scott No. C3  $75. $0 (Image)