细节
Grande Duché, a group of colour trials comprising 10-Francs, brown, 20-Francs, green, both ND (1954-1955), zero serial nos., Grand Duchess Charlotte at right (P.48, 49), colour trial 50-, 100-Francs, green and blue respectively, both ND (1961-1963), zero serial nos., Grand Duchess Charlotte at right (P.51, 52), SPECIMEN overprint, perforation, mounting traces at top, extremely fine
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