used 1856 surface-coloured paper 4c. black on magenta, two examples, one cut square and repaired, the other cut-to-shape, and paper coloured through 4c. black on deep blue cut-square though with corner added and other repairs. A rare trio. B.P.A. Certificate (1946) for 4c. black on blue. S.G. 24, 27; £62,000. Photo for last