Just coming back to this old thread.
Someone contacted me in April and picked up these from the Pahonu site for me:
Yes, that's the decorative "ball" on the Pahonu balcony railing.
The other must be one of the window-keepers
I have also managed to save these:
(from the amount of tarnishing, I assume that these have been mounted somewhere outside)
and 2 bricks:
Thanks go out to the incredible guy who helped me!