Original page, with more pictures, including a (modern) picture of the camera itself - https://www.boredpanda.com/spy-camera-secret-street-photogra...
That's the closest thing I could find to a gallery of just the photos, without social media stuff.
More like "unauthorizedly" taken.
When approached by a young man with a camera lens sticking out of his jacket, younger subjects seem to be amused; some of the older subjects are not.