1854 1D PL.180 (SG17)(AG) MISSING IMPRIMATUR LETTERING. Used 1854 die 1 1d pl.180 S.C.16 (SG17) lettered AG, vertical crease and one short perforation at right, cancelled '830' numeral of Uxbridge, Middlesex. MISSING IMPRIMATUR LETTERING. (Ref 97525).
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