375rd Heinrich Köhler auction - Day 1

Ferslew 4 rbs. chocolate-brown, plate I, good to large margins, used with target cancel on lettersheet from "FRIEDRICHSTADT 13/9 1852" to the ministry for the Duchy of Schleswig and Copenhagen, endorsed "frei" in lower left contrary to regulations and the letter treated as unpaid; additional "3/4" schilling courant additionally paid by the sender. A rare and highly interesting item of Schleswig postal history. Certificate Moeller BPP (2002)