1852, William III. 10 centimes grey-black in marginal block of 4, nice fresh colour and good margins including ca. 3/4 mm sheet margin at right, lightly cancelled by circle of 9 bars of Luxemburg. A very faint and almost invisible surface rub in the upper left stamp mentioned for accuracy only, otherwise very fine and fresh. A rare multiple in this condition. Certificate Demuth (1985)
