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
Twopence (British pre-decimal coin) Parys Mining Company on Anglesey issued huge numbers of tokens (although their acceptability was strictly limited). To alleviate this coin shortage, in 1797, the government authorised Matthew Boulton to strike copper pennies and twopences at his Soho Mint, in Birmingham. It was believed that the face value of a coin should correspond to the value of the material it was made from, so each coin was made from two pence worth of copper (2 ounces). This requirement means that the coins are significantly larger than the silver pennies minted previously. The large size of the coins, combined with the thick