Great Britain 1840 2d blue Plate 2, SG5.Great Britain 1840 2d blue Plate 2, SG5. A very fine used close to very large four margin horizontal strip of six lettered OA OF, each stamp neatly cancelled by a crisp black Maltese Cross. A very attractive and rare multiple of the 2d blue and exceptional in all regards in this quality. Accompanied with an independent certificate of authenticity from the highly regarded expertiser Martin Eichele, Basel. The Stanley Gibbons catalogue value is 6,000+.