1850 (Mar. 28) Exter, Wis. to Schwändi, Switzerland, folded letter datelines New Glarus Mar. 25th, manuscript "Exter, W, March 28th" with unpaid "55" cent rating, "New York Apr 6" exchange backstamp with "34" debit to Bremen, carried by Ocean Line Hermann from New York Apr. 20th to Bremerhaven arriving May 10th, Zurich (5.16) backstamp with red manuscript "87" kr postage due rating, Fine, a scarce first Bremen postal agreement cover to Switzerland. Estimate  $150 - 200. Letter posted at Exter, Wisconsin (manuscript upper left corner), on 28 March 1850, where unpaid rate of 55¢ written in the upper right corner. A New York clerk marked 34¢ U.S. debit to Bremen. A clerk in the Hannover post office in Bremen showed 12¾ gutegroschen (ggr.) owed to Bremen with red handstamp. The Hannover clerk added 1 1/3 ggr. transit fee and debited the Thurn & Taxis Post 14 1/12 ggr. With another red handstamp, which was converted to 61 kreuzer (red ink on right). To this amount was added 20 kr. transit fee to Swiss border. $0 (Image)