Description
1955-58 ½D WILDING BOOKLET PANE OF SIX 'PART PERF' WATERMARK INVERTED (SG540IcWi). A very fine 1955-1958 ½d Wilding booklet pane of six variety 'PART PERF' watermark inverted (SG540IcWi), fine original gum, stamp at upper right light hinge remainder in left margin. A very rare error. Cat. £4500. (Ref 123114).
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