PL.13 (AE BE)(SPEC C6)/MISSING IMPRIMATUR LETTERING. Used vertical pair 1855 die 2 1d pl.13 lettered AE BE, AE short perfs at top, BE short perf at foot. Cancelled London "22" Inland numerals, an important pair with AE MISSING IMPRIMATUR LETTERING BUT BE STILL PRESENT ON SHEET. (Ref 106497).
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