unused 1882-85 specialised study on leaves, comprising imperf. ¼a. (146 with two complete sheets, one on laid paper), ½a. (97 with laid paper complete sheet, 1a. (112), 2a. used, 4a. (16) and 8a. (8); perforated ¼a. (52), ½a. (57), 1a. (17) and 8a. (15); generally fine with some partial reconstructions