on piece 1850 (Jan.) Ham printing, original state of die, 2d. grey-lilac horizontal pair with clear margins except where just cut into at right foot, and 1d. dull chocolate-brown with good to large margins on three sides (close to just cut into at right), each lightly cancelled by "Butterfly" h.s. (numeral illegible) on piece. Attractive and very rare S.G. 3a, 1b.