From 1940 to 1965 inclusive, New Zealand Pennies and Halfpennies were made from bronze.
From 1947 to 1965 inclusive, New Zealand Threepences, Sixpences, Shillings, Florins and Halfcrowns were made from a copper nickel alloy giving them a silvery appearance.
All New Zealand silver coins from 1933 to 1946 had a silver content of 50%. From 1947 onwards, all New Zealand "silver" coins were made from a copper-nickel alloy.
The two related links below show New Zealand's predecimal coins and New Zealand's current coins.
Coins at the Canadian Mint, and the polymer notes are made in Australia.
All New Zealand "silver" coins from 1933 to 1946 inclusive had a 50% silver content. All New Zealand "silver" coins from 1947 onwards, were made from a copper/nickel alloy.
Prior to 1933, New Zealand used mainly British coins and a some Australian coins.
The head on New Zealand coins is that of the New Zealand Queen, Elizabeth II. Her representative in NZ is the Governor General.
Zero. No New Zealand general circulation coin has had any silver content since 1946. The only exception to this is the 1949 and 1953 Crown (Five Shilling) coins. From 1947 to 2006, all New Zealand general circulation "silver" coins were made from a copper-nickel alloy. From 2006 onwards, all New Zealand general circulation "silver" coins were made from nickel plated steel.
With the possible exception of "Traders Tokens", there were no New Zealand coins minted prior to 1933. Any coins circulating in New Zealand prior to 1933 would have been mostly British coins and some Australian coins.
There were no New Zealand Florin coins minted from 1954 to 1960 inclusive. There were no New Zealand Halfcrown coins minted from 1954 to 1960 inclusive.
The 1935 and 1949 New Zealand Crown (Five Shillings) coins were struck in 50% (fine) silver with the remainder made up of copper and nickel. The 1953 New Zealand Crown (Five Shillings) coins were struck in 75% copper and 25% nickel.
There were 35,043,0000 New Zealand one cent coins minted for issue in 1974.
New Zealand Grand Prix was created in 1950.