Airmail, 1930, $2.60 Graf Zeppelin, tied by 1930 New York duplex postmark in combination with 5¢ Winged Globe + 2¢ Colony on flown 2¢ Airmail entire, red German and purple U.S. flight cachets, reverse with 1927, 10¢ Special Delivery paying fee upon return, Very Fine, a very scarce combination usage. Scott No. C15+E15  Estimate $250 - 350. $0 (Image)

Airmail, 1930, $2.60 Graf Zeppelin, o.g., never hinged, large margins and deep color, Very Fine to Extremely Fine; with 2012 P.S.E. Graded certificate (VF-XF 85, SMQ $1,000). Scott No. C15  $975. $0 (Image)

Airmail, 1930, $2.60 Graf Zeppelin, full o.g., neatly hinged once, well centered, deep color, Very Fine and choice. Scott No. C15  $575. $0 (Image)