The superb and valuable study of the black and red printings in their various States, comprising around 140 printings in black and a similar number in red, including many striking and distinctive States with BB in black, States 1,2 and 3 (Ex Wills), CB in black, State 3 unused, DB in black, States 1, 2 and 3 (Ex Wills), JA in black, States 1 (watermark inverted) and 2, both with part selvedge at left, PB in black, States 1 (2, one being on entire, Ex Wills) and 2 (2), and in red from State 3, TD in red, State 3 with the D almost invisible, etc., cancellations with many distinctive Crosses, etc.; mostly four-margined and a good number of neatly cancelled and very attractive examples are included. This study is possibly the most comprehensive of its kind in existence and offers a superb basis for continuation