Los 1024
1851, FIRE R.B.S. brown, tied by 2 strikes of numeral "1" to small entire letter from "KJOBENHAVN 29/7 1855" via Lübeck to Schwerin in the duchy of Mecklenburg, franked only for the inland transportation to Lübeck, the German part of 8 skilling (= 2 Sgr.) noted in blue crayon; a very rare part-paid letter of the 1. issue, only one similar cover known, certificate Nielsen and Möller BPP
