Airmail, 1930, $1.30 Graf Zeppelin, o.g., never hinged, unusual deep dark color, choice centering, Extremely Fine; with 1999 P.F. and 2007 P.S.E. certificates, the latter Graded (XF 90, SMQ $1,000). Scott No. C14  $650. $0 (Image)

Airmail, 1930, $1.30 Graf Zeppelin, slogan machine and purple flight cachet cancels, choice centering amid large margins, rich bright color, Extremely Fine; with 2014 P.F. Graded certificate (XF 90, SSV $600). Scott No. C14  $375. $0 (Image)

Airmail, 1930, $1.30 Graf Zeppelin, bottom margin plate "20088" block of 6, o.g., never hinged (gum crease affecting top center stamp), rich dark shade, nice overall centering, Very Fine, an attractive $1.30 Zeppelin plate block in an unusual dark shade. Scott No. C14  $5,750. $0 (Image)