Here you go:
.303 British
DCRA Banded Match Checklist
1921 Match, Color: Rosaniline, Bands:1, width:3/4-inch,
1922 Match, Color: Malachite Green, bands:1, Width:3/4-inch, dates known: 1922
1923 Match, Color: Gentian Violet, Bands:1, Width:3/4-inch, dates known: 1922
1924 Match, Color: Victoria Blue, Bands:1, Width:3/4-inch,
1925 Match, Color: Rosaniline, Bands:6, Width:1/16-inch, dates known:1924
1926 Match, Color: Malachite Green, Bands:6, Width:1/16-inch, dates known:’25, ‘26
1927 Match, Color: Gentian Violet, Bands:6, Width:1/16-inch, dates known:1924,1926,1927
1928 Match, Color: Victoria Blue, Bands: 6, Width:1/16-inch, dates known:1927
1929 Match, Color: Rosaniline, Bands:3, Width:1/16-inch, dates known:1928
1930 Match, Color: Malachite Green, Bands:3, Width:1/16-inch dates, known:1929
1931 Match, Color: Gentian Violet, Bands:3, Width:1/16-inch, dates known:1930
1932 Match, Color: Victoria Blue, Bands:3, Width:1/16-inch, dates known:1931
1933 Match, Color: Rosaniline, Bands: 4, Width:1/8-inch, dates known:1932
1934 Match, Color: Malachite Green, Bands:4, Width:1/8-inch, dates known:1933,1934
1935 Match, Color: Gentian Violet, Bands: 4, Width:1/8-inch, dates known:1934
1936 Match, Color: Victoria Blue, Bands:4, Width:1/8-inch, dates known:35
1937 Match, Color: Rosaniline, Bands:2, Width:5mm, dates known:36
1938 Match, Color: Malachite Green, Bands:2, Width:5mm, dates known:37
1939 Match, Color: Gentian Violet, Bands:2, Width:5mm, dates known:36,38
1940 Match, Color: Victoria Blue, Bands:2, Width:5mm, dates known:39
1944 Match, Color: Green, Bands:1, Width:11mm, dates known: 44
1945 Match, Color: Purple, Bands:1, Width:14mm, dates known:44
The date of the DCRA match does not always agree with the headstamp dates. The color names were the official color names.