unused 6d. reddish purple, perf. 14, strip of three from lower-left corner of the sheet showing "R.21" control, the centre stamp unmounted, others part original gum; very fine and fresh. S.G. 385a, £225+
unused 6d. reddish purple, perf. 14, strip of three from lower-left corner of the sheet showing "R.21" control, the centre stamp unmounted, others part original gum; very fine and fresh. S.G. 385a, £225+
unused 6d. reddish purple, perf. 14, strip of three from lower-left corner of the sheet showing "R.21" control, the centre stamp unmounted, others part original gum; very fine and fresh. S.G. 385a, £225+
