cover BB-BC, pair with margins virtually all round (ragged at places) usde together with 1841 1d. plate 17, LK, similarly with ragged margins nearly all round (just torn into at top) on entire letter from London to Glasgow dated 15 December 1841; filing crease cracks surface of the 1d., 2d. BC repaired, otherwise fine and extremely rare, being one of only two known examples of this franking. Photo