PL.196(SG22)(NK). 1855 entire London to Usk Monmouthshire with a good used SG22 pl.196 lettered NK, several short perfs tied London numeral but clearly showing constant variety "MARK ABOVE P OF POSTAGE". Backstamped 22 FE 1855. Cat £400 off cover. Filing fold clear of stamp. (Ref 81272).
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