As far as I am aware, this is a full listing of farthing stamps. I have not included stamps which are 'cinderellas' or ones without a farthing on them which some people presume to be one farthing stamps.
Barbados: 1896,1897,1904,1906,1907,1909,1912(Brown and Pale-brown), 1916, 1918(Chestnut brown and Sepia brown),1920,1921,1925.
Bermuda: 1901 overprint on one shilling(Dull grey and Bluish grey),1908,1912(Brown and Pale-brown),1920,1921,1928.
Cayman Islands:1908-09(Brown and Grey-brown),1913,1922,1932,1935,1938-43(Perf 12 1/2 and Perf 13 1/2 x 12 1/2),1950,1953,1962,1966,1968,1969,(No wmk, Multiple St Edward Crown wmk, and 1/4c overprinted on 1/4d)
Fiji: 1916(Brown and Deep-brown),1923
Leeward Islands: 1909, 1912(Brown and Pale-brown),1922,1931,1938-49(Brown and Deep-brown)
Lesser Antilles: Dominica 1940; Grenada 1937(Brown and Chocolate-brown); Montserrat1922
Malta: 1901(Brown and Red-brown),1905,1910,1914,1919,1921,1922(overprinted Self-Government),1922(Overprinted One Farthing on 2d - this stamp exists with the dot missing on the I of Farthing),19229Brown and Chocolate-brown),1926,1926(overprinted Postage)1928(overprinted Postage and Revenue),1930,1938,1948,1956
Turks and Caicos: 1910(Rosy-mauve and Red),1921,1926,1938.