The New Zealand Penny and Halfpenny were made from bronze consisting of 97% copper, 2.5% zinc and 0.5% tin.
There was no 1948 New Zealand Halfpenny minted.
The first New Zealand Penny and Halfpenny was issued in 1940.
The last New Zealand Halfpenny was minted in 1965. New Zealand converted to decimal currency in 1967.
The last New Zealand Halfpenny was minted in 1965. New Zealand converted to decimal currency in 1967.
There were no 1943 New Zealand Halfpennies minted.
New Zealand has never issued a silver Halfpenny. Somebody has possibly silver plated it. Modified coins have no collector value.
The New Zealand Halfpenny issued from 1940 to 1965 inclusive, featured a hei tiki design on the reverse. The designer was L C Mitchell.
You will find most the answers to New Zealand coin questions already on WikiAnswers if you use the format - What is the value of a 1954 New Zealand Halfpenny etc.
Such a coin does not exist. The last New Zealand Halfpenny was minted in 1965 and only Britain produced a "Half New Penny" coin.
Please check your coin again and post a new, separate question. New Zealand's first halfpennies were minted in 1940.
It ceased to be legal tender in 1967 - along with the rest of the then British currency. In 1967, New Zealand adopted the NZ dollar.
The first New Zealand coins were issued in 1933 and included the Threepence, Sixpence, Shilling, Florin and Halfcrown coins. The Penny and Halfpenny were first issued in 1940. Did not have much much luck finding any pictures.