Description
1850 1D ARCHER EXPERIMENTAL PERFORATION (SG16b) PL.100 LETTERED QH. Fine used 1850 1d Archer pl.100 (SG16b) lettered QH, well centred and cancelled London '29' Inland Office numeral. Stamp shows FRAME EXTENSION NE SQUARE, present on imprimatur sheet, and H MISPLACED IN LETTER SQUARE. Cancellation clear of alphabet 1 check letters. (Ref 90033).
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