1928, Lindberg Again Flies The Mail, cancelled at Springfield, IL Feb 21, 1928, BS St Louis Feb 21 & Brunswick, Maine Feb 23, tear at top left o/w fine (Image)

Est. 20

1929, 1st Flight San Juan-Paramario purple flight cachet over green Roessler FDC Miami to Dutch Guiana cachet on Roessler airmail cover with Miami, Sep 20 cds, franked with pair C11, 5¢ Beacons and two strikes of 3-ring targets, BS St. Thomas, V.I., Sep 22, 1929 & circled '1' ellipse to St. Thomas, Virgin Islands, minor tape stains at lower left (Image)

Est. 30

C13-C15, Graf Zeppelin flight, 3 covers, each with violet & red flight cachets, posted from New York May 31, 1930, C13 on post card, C14-C15 on covers, VF (Image)

Est. 1,100

1937, 1st Flight Macao to San Francisco with PAA flight cachet on cover, BS May 4, 1937 slogan cancel, franked with C3 & #287 to Muscatine, Iowa, light stains o/w sound (Image)

Est. 40

1939, 1st Flight Boeing Clipper, Manila to San Francisco via Guam & Honolulu, purple diamond flight cachet on cover w/Mar 6 1939, franked with 1¢ orange & black to NYC (Image)

Est. 40

1956, Operation Deep Freeze, AAMS PP 283a1, USN 17046, Nov 10 cancel, green & blue circular cachet on reverse, from McMurdo Sound, to Hollis, NY, very scarce!, AAMS cv (Image)

Cat. 195

1983, STS-8 Challenger Space Flight, #1909, $9.35 Eagle & Moon, cacheted, w/three different pmks, VF, unaddr, w/NASA folder included (Image)

Est. 30