Airmail, 1923, 24¢ carmine, o.g., never hinged, precision centering amid evenly balanced margins, rich vibrant color on post office fresh paper, Extremely Fine to Superb, a lovely mint gem; with 2014 P.S.A.G. Graded certificate (95, SSV $375). Scott No. C6  $140. $0 (Image)

Airmail, 1923, 24¢ carmine, o.g., never hinged, exceptional centering amid uncommonly large margins, intensely rich color, an Extremely Fine gem. Scott No. C6  $140. $0 (Image)

Airmail, 1923, 24¢ carmine, right margin plate number "14840" single, o.g., never hinged, rich vibrant color on fresh paper, Very Fine and choice. Scott No. C6  $140. $0 (Image)

Airmail, 1923, 24¢ carmine, left margin plate "14841" block of 6, o.g., never hinged, rich vibrant color on fresh paper, Very Fine and choice; with 1987 P.F. certificate. Scott No. C6  $2,750. $0 (Image)