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 United States – Air Post 1930 $2.60 blue, on flown 5c legal size stationery entire, additionally franked with 2c paying $2.67 rate to Lakehurst, v.f. Cherrystone Auctions, Apr 2014, Sale 201404, Lot 115  | 
US$325.00 | 
 
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 United States – Air Post 1930 $2.60 blue, v.f. used on flown Apr. 29, 1930 Zeppelin cover with appropriate markings Cherrystone Auctions, Apr 2014, Sale 201404, Lot 117  | 
US$300.00 | 
 
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 United States – Air Post 1930 $2.60 blue, used on flown cover to Lakehurst, v.f. Cherrystone Auctions, Apr 2014, Sale 201404, Lot 116  | 
US$525.00 | 
 
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 $2.60 Graf Zeppelin (Scott C15). Mint N.H., incredibly intense shade and impression, perfectly centered on bright paper with wide margins EXTREMELY FINE GEM. A SUPERB MINT NEVER-HINGED EXAMPLE OF THE $2.60 GRAF ZEPPELIN ISSUE, WHICH HAS BEEN GRADED SUPERB 98 BY P.S.E. — ONLY TWO GRADE HIGHER. With 2013 P.S.E. certificate (Superb 98; SMQ price $4,250.00). Robert Siegel Auction Galleries, Mar 2014, Sale 1067, Lot 1659  | 
US$3,000.00 | 
 
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 $2.60 Graf Zeppelin (Scott C15). Wide margins and outstanding centering, neat town cancel, Extremely Fine Robert Siegel Auction Galleries, Mar 2014, Sale 1067, Lot 1661  | 
US$550.00 | 
 
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 $2.60 Graf Zeppelin (Scott C15). Intense shade and impression on bright paper, neat machine cancel, Extremely Fine, with 2013 P.F. certificate (XF 90) Robert Siegel Auction Galleries, Mar 2014, Sale 1067, Lot 1660  | 
US$650.00 | 
 
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 United States – Air Post 1930 $2.60 Zeppelin, left plate number block of six, n.h. and post office fresh, excellent centering and color, v.f. Cherrystone Auctions, Mar 2014, Sale 201403, Lot 71  | 
US$3,750.00 | 
 
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 Scott #C15, $2.60 Graf Zeppelin, uncommonly well centered, bright and fresh, o.g.,barest trace of hinging, extremely fine. Spink Shreves Galleries, Jan 2014, Sale 146, Lot 500  | 
US$475.00 | 
 
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 Scott #C15, $2.60 Graf Zeppelin, used, exceptionally well centered within large margins, bright color on fresh white paper, extremely fine; 2011 PF certificate. Spink Shreves Galleries, Jan 2014, Sale 146, Lot 501  | 
US$425.00 | 
 
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 U.S.; Airpost, $2.60 Graf Zeppelin, #C15. Slightly dist. o.g., Fine to Very Fine. Scott $575. Estimate price $200-250. Harmer-Schau Auction Galleries, Jan 2014, Sale 100, Lot 662  | 
US$334.00 | 
 
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 U.S.; Airpost, $2.60 Graf Zeppelin on South America Flight Cover, #C15. Very fine, tied to Roessler cachet by Varick St. Sta. May 7, 1930 machine cancel, flight cachets in red and violet, Pernambuco 23.V.30 cancel on reverse, Fine to Very Fine. Scott $625. Estimate $300-350. Harmer-Schau Auction Galleries, Jan 2014, Sale 100, Lot 663  | 
US$403.00 | 
 
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 United States – Air Post 1930 $2.60 blue on cover to Germany, usual cachets and markings, fine Cherrystone Auctions, Jan 2014, Sale 201401, Lot 38  | 
US$260.00 | 
 
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 United States – Air Post 1930 Zeppelin, $2.60 dark blue, used on 2c stationery entire, cover tear at right, stamp v.f. Cherrystone Auctions, Jan 2014, Sale 201401, Lot 37  | 
US$260.00 | 
 
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 Airmail, 1930, $2.60 Graf Zeppelin (C15), o.g., never hinged, nicely centered with ravishing rich color, a lovely large margined example, Very Fine to Extremely Fine, 2007 P.S.E. certificate graded VF-XF-85. SMQ $990 in grade of VF-XF-85. Scott $975. Estimate price $750 – 1,000. Daniel Kelleher Auctions, Dec 2013, Sale 640, Lot 525  | 
US$600.00 | 
 
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 Airmail, 1930, $2.60 Graf Zeppelin (C15), o.g., never hinged, extremely fresh and choice, a lovely example with great color, Fine to Very Fine. Scott $975. Estimate price $500 – 750. Daniel Kelleher Auctions, Dec 2013, Sale 640, Lot 526  | 
US$450.00 |