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
Penny (United States coin) mm) in thickness. Its weight has varied, depending upon the composition of metals used in its production (see further below). The U.S. Mint's official name for the coin is "cent" and the U.S. Treasury's official name is "one cent piece". The colloquial term "penny" derives from the British coin of the same name, the pre-decimal version of which had a similar place in the British system. In American English, "pennies" is the plural form. (The plural form "pence"—standard in British English—is not used in reference to American coins.) Although the coin's abolition has been proposed because it is now worth