, neatly cancelled by "12" within black oval grid. A few peripheral imperfections. B.P.A.Certificate (1968). S.G. 2. Photo" /> cover 3d. dull red on lightly blued paper, a good example with large margins (showing portion of adjoining two stamps), affixed to 1856 XU5 to<I> "St.Denis Bas-Canada"</I>, neatly cancelled by "12" within black oval grid. A few peripheral imperfections. B.P.A.Certificate (1968). S.G. 2. Photo | Christie's