Ac. To norsk portrettarkiv the rapier in upper left part is painted by christian olsen. Object Type: painting. Genre: portrait. Date: 1851. Dimensions: height: 57 cm (22.4 in) ; width: 47 cm (18.5 in). Medium: oil. Depicted People: Niels Fredriksen Dyhren. Collection: Norwegian Museum of Cultural History. Niels Fredriksen Dyhren
