The J. Paul Getty Museum
License, verbatimCC0
The J. Paul Getty Museum: image dedicated to the public domain under Creative Commons Zero (CC0), stated on the media record itself ('Rights for Media'), with download clearance.
Roger Fenton. Photographic Facsimiles of the Remains of the Epistles of Clement of Rome...from the Unique Copy...in...Codex Alexandrinus., 1856. The J. Paul Getty Museum.