1879, cover with double postmarks, mailed from Washington, DC, Jul 9 to "U.S. City", forwarded to Sag Harbor, LI, with New York Jul 17 cancel, (Image)

Est. 20

1933, well traveled cover, Rochester, NY March 8, to England, where it acquired a J2 postage due, and large '1d F.B.' h/s, then to France, where it received a Paris roller cancel on the back, then back to New York city (Image)

Est. 25

1933-34, Chicago World's Fair, 9 incl 729 FDC, 3 cards with Railway Postal Car Exhibit cancels, two of those cards w/text & photo of Air Mail Pick-Up Service, balance various slogan cancels & related stamps (Image)

Est. 25

1934, BYRD Antarctic Exposition, Little America, w/#733, 3¢ dark blue, backstamped San Francisco Mar 25, 1935, original street address crossed out, purple REMOVED 403 stamped on front, w/new address in pencil (Image)

Est. 30

1935, Second Byrd Antarctic Expedition, nice Penguin cachet, cancelled Little America, Jan 30, 1935, BS San Francisco March 25, 1935 (Image)

Est. 30

1941, The Snow Cruiser Reaches the South Pole, on Byrd Antarctic Expedition, posted from Boston Mass, May 6, pretty black & red cachet, 2-line red violet Registered No. 7078 / Carried from Little American by U.S.S. North Star on back, VF (Image)

Est. 35

1994, 2843, 29¢ Train tied by magnificant Holiday Preview pictorial cancel, handpainted train cachet signed Boy Art at lower left, unaddr (Image)

Est. 20

1994, 29¢ Train tied by Holiday Preview Station pictorial cancel from Drain, Oregon, dec 4 1994, handpainted train cachet at left, unaddr (Image)

Est. 20

1994, 29¢ Train tied by 75th Anniversity pictorial cancel, for San Diego & Arizona Railway, Nov 25, 1994, Campo, CA, hand painted train cachet at left, signed Boy Art, unaddr (Image)

Est. 20

1995, 29¢ Hudson's General Train tied by Heritage Station, Delano, CA 13 April 95 pictorial cancel, with handpainted train by Al Dembeck, unaddr (Image)

Est. 20

1995, 29¢ & 2¢ Trains tied by Madison Railroad Station pictorial cancel, Oct 15, 1995, handpainted cachet at left, unaddr (Image)

Est. 20

1995, 2¢ & 29¢ Trains tied by Crawford Notch Inaugural Weekend, Sept 1, 1995 pictorial cancel from North Conway, N.H., hand painted train cachet by Boy Art at left, unaddr (Image)

Est. 20