Richard ('King Dick') Seddon and his family circa 1899
by Stereoscopic Society of New Zealand 2022-09-17 22:10
Very likely this is Premier House (the Prime Minister's residence).
You can ‘freeview’ this picture - glasses free 3D. Click on the image and select ‘cross view’. Here’s a quick how-to: https://www.newzealand3d.net/newbies-page.