HMNZS Kahu I P-3571 (Fairmile B class) in the Waitemata Harbour, likely at some time in the 1950's
<a href="//commons.wikimedia.org/wiki/User:L-Bit" title="User:L-Bit">L-Bit</a>
CC BY-SA 3.0
<span class="int-own-work" lang="en">Own work</span>