Great Britain 1979 Rowland Hill Miniature Sheet error, SGMS1099eGreat Britain 1979 Rowland Hill Miniature Sheet error, SGMS1099e. Very fine unmounted mint with full original gum example with bright blue omitted affecting the three lower values. The missing colour results in the loss of shading along the edges of the miniature sheet. In addition, the ground of the 10p is affected; the postman's jacket, roofs in the background and a lady's dress are affected on the 11p; and the postman's jacket and background are