CEYLON SG122 1872-80 4c grey (proof) IMPERF PAIR Gummed Wmk Paper

1872-80 4c grey (proof) IMPERFORATE HORIZONTAL PAIR from left of sheet with large to very large margins on other sides fresh large part o.g Some wrinkles still very fine. A rarity as a pair with even imperforate singles of this value seldom seen. Originally purchased from Stanley Gibbons (still on their card)