Fotografo sconosciuto, Studio plastico all’aria aperta, prima metà degli anni venti. Stampa originale. [Unknown photographer. Plastic study in open air, first half of the 1920s. Original print.] | src Nicoletta Misler: L’Arte del Movimento in Russia 1920-1930
[LEPIDOPTERA] Photographs of butterflies, from the collection of Charles Oberthür (1889). From an album of 10 albumen prints, each with ex coll. Oberthür above and species details below in ink [Chelonia Villica (1)]. | src The Photographic Process