1935,May 1st.Original issue on single watermarked paper. Orange.
1936, March.Change to multiple watermark. Colours include 'Orange', 'Deep orange','Brown orange' and 'Pale orange'.
1941, Wartime Issue ( De La Rue Print and Perf) Multiple watermark. Orange.
1941, Wartime issue, ( De La Rue Print and Harrison Perf.) Multiple watermark. Orange.
1941,June, Wartime Issue.(De La Rue Print and Waterlow Perf) Multiple watermark.Orange and Deep orange.
1941,October, Final issue, Coarse paper.Multiple watermark. Colours listed 'Orange',"Pale Orange' and 'Deep Orange'.