1851-61 Specialised MEDAILLON collection neatly mounted on 18 pages showing singles, multiples and covers displaying a fine range of cancels and shades, noted 20C block of four on cover, study of the LL watermark on the 10C and 20C, covers showing various rates with 10C, 20C and 40C adhesives, identified numeral cancellations on the 10C and 20C plus TPO cancels including M.I, E.II in green, M.V., also various boxed TPO cancels including ANVERS, BRUXELLES, GOSSELIES, MONS and NAMUR