1898, Collection & Distribution Wagon No 1, Washington DC May 2, , nice cancel on business cover from Louis Bagger & Co, to Cornish, Maine, two enclosurers (Image)

Est. 40

Private Mailing Card, featuring the Esguiman Village at the Pan-American Exposition of 1901, lightly stained o/w VF (Image)

Est. 25

1924, The Trans-Polar Flight Expedition, tiny card posted from ? Mass April 3, to Norway, returned from Kings Bay, Norway 18.VI.25 to East Milton, Mass, forwarded to Owls Head, Maine (Image)

Est. 50

1931, Wilkins-Ellsworth Trans-Arctic Submarine Expedition, posted from New York May 8, returned from Bergen, Norway 4.VIII.31, (Image)

Est. 40

Byrd Day, Feb 18, 1934, photo & rubber stamp cachets, cancelled at National Stamp Exhibition Station, unaddr (Image)

Est. 40

1934, Little America Antarctica, Jan 31, clean cover franked with 3¢ Byrd stamp, 3-line "This letter has been delayed..."backstamped San Francisco Mar 25 1935 (Image)

Est. 35

1935, Little America Antarctica, Jan 30, 1935 cancel ties pair of 3¢ Byrd stamps on cover cacheted with two black penquines and 4-line "Byrd Expedition...Second Cancellation Mail", San Francisco Mar 25, 1935 cds on reverse (Image)

Est. 35