1981 New Zealand Proof Coin Set that consists of:

1c: 17.526mm diameter, Bronze

2c: 21.82mm diameter, Bronze

5c: 19.431mm diameter, Cupro-Nickel

10c: 23.622mm diameter, Cupro-Nickel

20c: 28.575mm diameter, Cupro-Nickel

50c: 31.75mm diameter, Cupro-Nickel

$1: 38.735mm diameter, .925 Silver