1851 (Apr. 30) Lübbecke, Prussia to Philadelphia, Pa., cover with "Lübbecke 30/4" boxed postmark and sent unpaid, Bremen (5.1) backstamp, carried by Ocean Line Washington from Bremerhaven May 16 to New York arriving June 2; light aging, F.-V.F., this is the only recorded example of this "Steamship 41 Cts" 28mm circular marking. Estimate  $300 - 400. Postage due included 24¢ U.S. sea postage, 5¢ U.S. inland postage and 12¢ German transit postage from Prussia to Bremen. This handmade envelope shows no year date, but 1851 has been determined to be the most probable year based on steamship sailing data and similar STEAMSHIP markings used at New York. Note the "1" is inverted, indicating the numeral slugs were interchangeable. $0 (Image)