This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Frederick Langenheim circa . Frederick Langenheim annotated 'Talbotype Langenheim Philada Mar No ' in ink on the recto Calotype negative with ink handwork cm christies aspx from searchresults intObjectID sid eefabfacce Christie's PDold Langenheim Brothers thcentury portrait photographs of men at half length Calotypes History