This change [;-)] makes the smallest denomination of New Zealand coins to 10 cents; if you buy something for $49.95, therefore, the price will be rounded up to $50 if paying with cash. Beware when paying with plastic as they must still charge you $49.95 only.
The downsizing was brought in
I wrote this on 1 August, but since neither of us carry cash, we still haven't seen them, and Louise beat us to it. So we'll show you a 1967 20 cent coin with a kiwi bird, a 1964 "one shilling" coin, and a 1964 "one florin" coin with a very old kiwi.