1985 '350 YEARS OF ROYAL MAIL PUBLIC POSTAL SERVICE' 34p 'TOWN LETTER DELIVERY' IMPERFORATE BETWEEN (VERTICAL PAIR) (SG1293a). A superb unmounted o.g. vertical pair 1985 34p 'Town Letter Delivery' variety 'IMPERFORATE BETWEEN VERTICAL PAID' (SG1293a). Pierron notes 15 mint pairs. Rare. (Ref 143345).
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