Unidentified Italian artist/photographer (Amalfi Coast artist), 1870s, Pifferaro, near Sorrento, Gouache, probably on albumen print, The Romantic Agony Book & Print Auctions, LL/60252
Victor Plumier (1819-1877), 1852, Portrait of Abel Niépce de Saint-Victor (1805-1870), Paris, Experimental collodion positive on glass, The Romantic Agony Book & Print Auctions, LL/60167