24c Carmine Rose & Blue, 1918 Air Post (C3). Tied by "Air Mail Service Wash. N.Y. Phila. Phil (Image)

E. $ 750-1,000

24c Carmine Rose & Blue, 1918 Air Post (C3). With bottom selvage, tied by purple "Air Mail Se (Image)

E. $ 750-1,000

6c-24c 1918-23 Air Post Covers (C1-C6). 30 covers, various flights and usages, some combinati

E. $ 400-500

1928 Return of the America Flight (Sieger 22A). Four stamps totaling 54c, incl. the Roessl (Image)

E. $ 200-300

65c-$2.60 Graf Zeppelin (C13-C15). Two covers, first bears horizontal pair of 65c and single (Image)

E. $ 1,000-1,500

65c-$2.60 Graf Zeppelin (C13-C15). 65c on postcard, $1.30 on 1c Postal Card, $2.60 on red and (Image)

$ 2,900.00

65c-$2.60 Graf Zeppelin (C13-C15). Tied to three separate cacheted flight covers or cards fro (Image)

$ 1,200.00

65c-$2.60 Graf Zeppelin (C13-C15). Tied to three separate cacheted flight covers or cards, fi (Image)

$ 1,200.00

65c-$2.60 Graf Zeppelin (C13-C15). Tied by Lakehurst or Varick St. Sta. cancels on separate c (Image)

$ 1,200.00

65c-$2.60 Graf Zeppelin (C13-C15). Tied to three separate cacheted flight covers or cards, ea (Image)

$ 1,200.00

65c-$2.60 Graf Zeppelin (C13-C15). Tied to three separate cacheted flight covers or cards, 65 (Image)

$ 1,200.00

65c-$2.60 Graf Zeppelin (C13-C15). Tied to three separate cacheted flight covers or cards, $2 (Image)

$ 1,200.00

65c-$2.60 Graf Zeppelin (C13-C15). Tied to three separate cacheted flight covers or cards, ea (Image)

$ 1,200.00

65c Graf Zeppelin (C13). Block of four, tied by "New York N.Y. Varick St. Sta. Apr. 28, 1930 (Image)

E. $ 300-400

$1.30 Graf Zeppelin (C14). With plate no. selvage at left, tied by Washington D.C. Apr. 19, 1 (Image)

$ 900.00

$1.30 Graf Zeppelin (C14). Tied by "Varick St. Sta. N.Y. Jun. 2, 1930" slogan machine cancel (Image)

$ 400.00

$1.30 Graf Zeppelin (C14). Two items, first is single on cacheted cover dated Apr. 22, 1930 t (Image)

$ 800.00

$1.30, $2.60 Graf Zeppelin (C14-C15). $2.60 used with 2c Mass. Bay Colony stamp on April 29, (Image)

$ 1,025.00

$2.60 Graf Zeppelin (C15). Tied by "Washington D.C. Apr. 19, 1930 5-PM" machine cancel on cac (Image)

$ 1,000.00

$2.60 Graf Zeppelin (C15). Tied by "Varick St. Sta. N.Y. 1 May 7 8:30 PM 1930" slogan machine (Image)

$ 625.00

$2.60 Graf Zeppelin (C15). Eight cacheted covers, range of 1930 dates incl. Apr. 21, Apr. 25 (Image)

$ 5,280.00

Cover Balance of Primarily Flight Covers. Over 300 items, incl. No. C14 on cacheted cover car

E. $ 1,000-1,500

Space-Related Covers. Six items, incl. 1969 Apollo 8 cover depicting the ticker tape parade a (Image)

E. $ 500-750

Space Covers. Five apparently better items, incl. Gemini 4 Crew signed Launch cover, Apollo 1

E. $ 200-300