Image cropped from this photo at the National Library of New Zealand: http://natlib.govt.nz/records/22746558?search%5Bpath%5D=photos&search%5Btext%5D=repulse+bay
(Click "See original record" then "View archived copy online" to see the high-resolution copy.)
Thanks to 80skid for the link.
Date picture taken
13 Oct 1949
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