1961 Surcharges, a specialised study on leaves with numerous blocks and sheets, setting and positional varieties, misplaced surcharges including ½c. on ½d. surcharge both at top and bottom (3) and part double impression, 1c. on 1d. offset on reverse (4), 2c. on 2d. surcharge inverted (2), surcharge at foot (6) and surcharge both at top and bottom (2), 2½c. on 3d. surcharge at lower right and other values; most are unmounted mint and with covers (6); also 1954 set; a good lot