Brunswick. 1866 (Dec 6). Cover from Brunswick to New York, paying the 6 1/2 groschen single Hapag rate (equivalent to 15 cents) with 1863 1/2gr (somewhat discoloured) in combination with two 1865 3gr, partly trimmed by scissors, tied by neat “Braunschweig” cds’s on dispatch, red crayon “4 1/2” indicating international postage paid, carried by the Hapag “Alemannia” with Hamburg cds’s on back and red “HAMBURG/PACKET/3” cds denoting the U.S. credit of 3 cents; a scarce transatlantic mail; cert. Lange (2013).