Airmail stamps may have been issued sooner if early postal delivery trials
by air within New Zealand had been more successful. However, in 1922 it
was concluded that the aircraft in use were unsuited to long distance
flights and the trial service was not well patronised by the
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It was overseas developments which prompted the 1931 issue.
At the Universal Postal Union Convention in 1929, an international
agreement was drawn up where mail that was posted in New Zealand could
utilise airmail services in Australia, Canada, North America and the
Karachi-London service. This agreement came into force in July
Surcharging the threepence King George V stamp for airmail
services was considered but this was abandoned in favour of a new issue
for mail flown over part of its route abroad.
This page was last updated on 20 Mar 2018
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