New Zealand twenty-cent coin pegged to the British pound, was changed to a decimal dollar at a rate of two dollars to a pound. Therefore, 20 cents was worth a tenth of a pound. The 20-cent coin replaced the florin coin which had been worth two shillings, or a tenth of a pound. Like the florin, the new 20-cent coin was made of cupronickel, 28.58 mm in diameter, 11.31 grams in weight, and had 100% edge milling. The 20-cent coin retained the presence of a kiwi on the reverse of the florin, albeit in a different design. The original obverses of 20-cent coins depicted
Halfpenny (Irish decimal coin) so a sixpence (half of a shilling) yielded a value of new pence. Its dimensions and appearance were the same as the British coin of the same denomination as the pounds of Britain and Ireland were pegged until 1979. The coin was designed by the Irish artist Gabriel Hayes and the design is adapted from the manuscript Cologne Collectio Canonum (Cologne, Dombibliothek Cod. 213) in Cologne. The coin has a diameter of 1.7145 centimetres and mass of 1.782 grams consisting of copper, tin and zinc. The coin was worth of an Irish pound. The 1985 version of this coin is