C5 16c Insignia tied by Washington, DC. machine cancel on Shoreham, Washington stationery, neatly opened bottom, very clean. Catalog $550.00. (Image)

Est. $250-300

C13 65c Zeppelin on unlisted cacheted post card depicting airmail routes. Single tied by Washingtin, DC. First Day machine cancel with round trip cachet on stamp side of card! Beautiful related FDC - quite scarce! (Image)

Est. $750-1,000

C13 65c Zeppelin BLOCK OF FOUR with PLATE #20079 First Day April 19, 1930 Washington DC. hand cancels. Typed addressed to H. Wasmer with typed "BY AIRMAIL To CHICAGO ILL.". Crisp and clean, quite rare. (Image)

Est. $1,200-1,500

C13 65c Zeppelin Planty #1, A.E. Gorham cachet in silver with single tied by Washington DC machine cancel, neatly opened at top. Addressed to Mrs. J.T. Abernathy, quite scarce. (Image)

Est. $1,000-1,500

C13 65c Zeppelin Planty #2, Elliott rubber stamped cachet in blue with single tied by First Day Registry Washington DC "rolling O" hand cancel with Washington DC April 19, 1930 backstamps. Typed return address to Elliott & Co with all appropriate cachets and cancels and a true gem, the first one we have offered, quite scarce. (Image)

Est. $1,200-1,500

C13-15 65c-$2.60 Zeppelin, complete set of three singles on one First Day Cover tied by April 19, 1930 Washington, DC. hand cancel with all appropriate flight cachets and backstamps for having made the complete round trip. A very clean cover with great eye appeal and very fine except for an insignificant small thin on the back of the cover. Scott catalog value $10,000.00 and a must for the Zeppelin collector. (Image)

Est. $7,500-9,000

C13-15 65c-$2.60 Zeppelin beautiful matched set of 3 covers with matched typed addressed to and serviced by Nickles with First Day April 19, 1930 Washington, DC. machine cancels. One of the first sets we have offered serviced by Nickles, Brookman catalog value $2,850.00. (Image)

Est. $1,500-2,000

C13-15 65c-$2.60 Zeppelin Planty #1, complete set of three stamps on TWO A.E. Gorham printed cacheted FDC's in silver. Both tied by Washington DC hand cancels with appropriate back stamps. Quite rare and a must for the specialist, a real showpiece! (Image)

Est. $2,500-3,000

C13-15 65c-$2.60 Zeppelin Planty #1, complete set of three stamps on two separate #10 size covers with "Congress of the United States - House of Representatives, official business" corner cards printed in blue. Both covers flown with matched typed address and all appropriate back stamps, the first we have offered in nearly 40 years! (Image)

Est. $2,000-2,500

C17 8c Winged Globe, tied by rare unofficial Trenton, NJ. hand cancel. Only the 2nd copy we have ever seen, quiet rare! (Image)

Est. $125-150

C18 50c Zeppelin Unlisted, F.R. Rice cachet in red and blue. First Day New York 10/2/33. The first we have seen, scarce. (Image)

Est. $250-300

C18 50c Zeppelin Planty #5A, Harry Ioor cachet in black with red and blue border, tied by New York, NY. cancel, Brazil backstamp, and addressed. (Image)

Est. $200-250

C18 50c Zeppelin Planty #11, Miami Chamber of Commerce cachet printed in blue on FRONT of cover (almost always printed on reverse). Single tied by Miami, FL First Day October 6, 1933 machine cancel, very clean. (Image)

Est. $200-250

C20 25c China Clipper unlisted J. Neil Griffith multicolor paste-on and hand drawn "of the period" Cachet. Addressed to Griffith and the first we have seen in 40 years and a must for the specialist! (Image)

Est. $350-400

C21 20c China Clipper Planty Unlisted, Crosby thermographed cachet in green, single tied by Washington DC hand cancel. The first we have offered this design in nearly 40 years, rare! (Image)

Est. $200-250

C21 20c China Clipper Planty Unlisted, Crosby thermographed cachet in green, single tied by Washington DC hand cancel. The first we have offered this design in nearly 40 years, rare! (Image)

Est. $200-250

C21 20c China Clipper Planty Unlisted, Crosby thermographed cachet in blue, single tied by Washington DC hand cancel. The first we have offered this design in nearly 40 years, rare! (Image)

Est. $200-250

C21 20c China Clipper Planty Unlisted, Crosby thermographed cachet in silver, single tied by Washington DC hand cancel. The first we have offered this design in nearly 40 years, rare! (Image)

CV. $0

C21-22 20c-50c China Clipper Planty #42, magnificent set ON ONE COVER with double thermo cachet in green and red! Unquestionably the scarcest printed clipper cachet for this series and one of only 6 known. We had a sale of a similar cover in auction #194 in 2004 for a then $1,450.00 (plus 15%). A must for the Crosby and/or Clipper specialists! (Image)

Est. $900-1,200

C23 6c Eagle Holding Shield First Flight 6/21/40 Juneau Alaska hand cancel on L.W. Starehle multicolor cachet. Addressed in Staehle's hand! The only example we have seen in nearly 40 years. A great new find and a must for the specialist. (Image)

Est. $200-250

First Flight 11/11/41 Auckland City N.Z., L.W. Staehle cachet in blue. Flight from New Zealand to Fiji and only example we have seen in nearly 40 years. A great new find and a must for the specialist. (Image)

Est. $200-250

C23 6c Eagle Holding Shield Planty #12, Munprint printed cachets in blue with rare airmail border. Top Plate of four tied by St. Petersburg, FL cancel. The same cover we sold in auction #238 (06/07) for a then $230.00, quite rare! (Image)

Est. $125-150

C23 6c Eagle Holding Shield Planty #12, Munprint printed cachet in blue, single tied by Dayton, OH cancel, addressed, scarce. (Image)

Est. $100-125

C38 5c Map unlisted, Austin Roquemore hand painted "of the period" cachet, first we have seen, possible unique, scarce. (Image)

Est. $60-75

C47 6c Powered Flight unlisted, L.W. Staehle cachet in purple-blue and green ("Powered Flight"), only the 3rd we have offered in nearly 40 years. (Image)

Est. $125-150