1890-91 "1d." surcharges, a mint and used study of the settings and varieties, including first setting 1d. on 3d. Type "a" surcharge double and "1" and "d" wide apart (2), and second setting 1d. on 3d. mint pane of sixty; generally fine and all neatly mounted and written-up. S.G. 54-58. (104)