Artifacts 11
Every copy this mystery rests on, each with its own key and its distance from the original.
Photo1 step from object
Robert Shippee · AMNH Library negative 334709; reproduced courtesy of AMNH, not under the article licence
Photo1 step from object
Claudia Obrocki (SMB) · CC BY-NC-SA 4.0
Photo1 step from object
Robert Shippee · reproduced courtesy of the AMNH; not under the article licence