Léon Philippet travaillant dans son atelier de Liège (vers 1890), Léon Philippet, 1890

Photographic print, black and white, 1890, 13 x 18 cm. Museum of walloon life. Inventory number: 1006042-403. Link: http://collections. Viewallonne. Be?queryid=8e297d53-c3d6-4d30-9bb4-dda980c7e903. Date: 1890.