Los-Nr. 6724

1852, Partly prepaid lettersheet from "NEW YORK 26 MAR" with black "U.S.PKT." via British open mail to Mariestad; in London wrong "1/6" crossed over and letter sent in closed mail via Altona and Denmark (according to 1850 convention) with Helsingborg transit mark on front; the UK debited Sweden 6 d.+4 d. Danish transit = "10" d., finally charged "40" sk. bco. to the recipient