Losnr. 2605 - 222.-226. Auktion
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Losnr. : 2605 Saudi Arabien
1916: 1 pi. deep blue, perf. 12, a fresh unused block of nine (3 x 3), sixth stamp showing the secret 'S' mark in the octagonal top right corner segment, most probably for 'Survey'. This marking is only found on the perf. 12 sheets and was removed from the later December 1917 and May 1917 printings. Scarce multiple Gi = £ 1'600+.Ausruf : 200 CHFZuschlag : 260 CHF