cover 1857 machine-made paper, 10d. bright blue, four examples -- each with two or more clear to very large margins, each neatly cancelled with diamond of bars obliterator and affixed on 1859 (21 Feb.) envelope (196x92mm. -- reduced at left and at lower right) from Toronto to Reading, England; two stamps with faults though a very rare quadruple rate franking. Ex De Volpi and Reford. B.P.A. Certificate (1990). Photo