Stone obelisk effectively marking the SE corner of Lafayette Park, Albany NY.
It apparently has an enigmatic history but seems to be a [property line marker](http://alloveralbany.com/archive/2014/12/10/the-mystery-of-the-bryan-stone).
Photogrammetric model constructed from 95 photos in Meshroom, postprocessed in Meshlab.
Geolocation: 42.65252° N, 73.75564° W