20 Cents size and milling trial, Issued by New Zealand, circa 1966
Minted by Royal Mint, Llantrisant, Wales
At centre, large 20; no other legend
At centre, Royal Mint logo
In 1959, a committee was set up to study and report on the introduction of decimal coinage in New Zealand and in 1963 it was announced that the change to a decimal system would take place.
In 1963 Robert Muldoon became Under-Secretary to the Minister of Finance. He was responsibe for the introduction of decimal currency into New Zealand. This trial for a 20 cent coin with the same diameter and edge milling employed on the adopted coin.
The Decimal Currency Act, 1964 prescribed the designs, diameters, and standard weights of the decimal coins, which first appeared in circulation on 10th July 1967.
Purchase from Spink (Australia), 14 Jul 1993
Type of item
28 mm (Outside Diameter), 11.401 g (Weight)