[Stereoscopic Portrait of Man Holding Stereoscopic Viewer]
Summary
Public domain scan of the back of stereograph card, stereoscopic view, 19th century, free to use, no copyright restrictions - Picryl description
Tags
Date
1840 - 1869
Source
Metropolitan Museum of Art
Copyright info
Creative Commons CC0 1.0 Universal Public Domain Dedication ("CCO 1.0 Dedication")