1871, Western Union Telegraph, Machias, ME Oct 5 cds & NEGATIVE ARROWHEAD cancel on 3¢ green Washington, two lines of text on reverse, to Whitneysville, Me (Image)

Est. 25

1935, Second Byrd Antarctic Expedition, S.S.Jacob Ruppert, May 30 1935 cancel tied 3¢ Byrd stamp on small wrinkled cover to Petersburg, Va, blue Byrd cachet (Image)

Est. 15

1939, Fairbanks to New York by motorcycle, cachet in blue with Alaskan flag, on cover to Rochester, Minn, posted from Fairbanks, May 14, also Chicken, Alaska Jul 14 1939 cds on front, six different cancels on reverse, enclosed copy of BLM-Alaska Frontiers newsletter, Issue 76, Feb-Mar 2000, extensive write-up of the trip by Slim Williams & John T Logan (Image)

Est. 35

Registered Bank Tag, franked with vertical strip/4 $1 & 9¢ single, from Camdeton MO Jul 29 1955, to Federal Reserve Bank in St Louis, Mo (Image)

Est. 10

1957, Operation Deep Freeze, Pole Station, Antarctica Oct 20 cancel, black cachet, this cover is pictured in April 1958 issue of National Geographic Magazine, page 461, which will accompany this cover. (Image)

Est. 30

1960, Operation Deep Freeze, Byrd Station, Antarctica Dec 1 cancel on stained cover to Homestead, FL, violet cachet on reverse, Christmas card enclosed, (Image)

Est. 20

Rangeley, Maine, Aug 5, 1993 Sidewalk Art Show, unaddressed cover with illus Moose + 6x4 card with beautiful drawing of moose & mountains, both in stunning black & white, (Image)

Est. 20