PL.19 (IH)(SPEC C6) WATERMARK INVERTED ON COVER. Envelope used locally in London addressed to "King's Cross Station" with fine die 2 1d pl.19 lettered IH L.C.14 with fine perforations and clearly showing WATERMARK INVERTED (spec C6c). Stamp tied fine strike London "12" Inland numeral and back stamped DE 22 1855/E. (Ref 107902).
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