he British farthing (¼d) coin, from “fourthing”, was a unit of currency of one quarter of a penny, or one nine hundred and sixtieth of a pound sterling. It was minted in bronze, and replaced the earlier copper farthings. It was used during the reign of six monarchs: Victoria, Edward VII, George V, Edward VIII, George VI and Elizabeth II, ceasing to be legal tender in 1960. It featured two different designs on its reverse during its one hundred years in circulation: from 1860 until 1936, the image of Britannia; and from 1937 onwards, the image of a wren. Like all British coinage, it bore the portrait of the monarch on the obverse. (source)