Description
1851 1D ARCHER EXPERIMENTAL PERFORATION PLATE 108 (SG16b)(FF). Used 1851 1d Archer experimental perforation from die 1 plate 108 (SG16b) lettered FF, tear at foot and pinholes but a very rare stamp with only eight examples recorded. Cancelled London '73' District Office numeral. Matched with fine 1d imperf (SG8) with four margins. RPS cert 207486. (Ref 135569).
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