Lot 455 367th. Auction - 455

1 sgr. brown-red, even large margins, tied by clear "pointe perforante" to lettersheet (not quite complete on reverse) with adjacent red "LUXEMBOURG 26 OCT. 52" to Trier; a small hole in the coverfront backed, otherwise fine and attractive, sign. Williame and certificate Böttger BPP (2016)