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 (British pre-decimal coin) of the Golden Hind appeared. Like all British coinage, it bore the portrait of the monarch on the obverse. "Halfpenny" was colloquially written "ha’penny", and "d" was spoken as "a penny ha’penny" or "three ha'pence" . Before Decimal Day in 1971 there were 240 pence in one pound sterling. Twelve pence made a shilling, and twenty shillings made a pound. Values less than a pound were usually written in terms of shillings and pence, e.g. 42 pence would be three shillings and six pence (3/6), pronounced "three and six", whereas 3 shillings even would be "3s" or, on a sign