Emile Jacques Ruhlmann (1879-1933) & Jean Besnard (1889-1958)
Model 3034 Ball lamp Ceramic Signed with the monogram R Creation date: 1925 H 22.5 cm Bibliography: Florence Camard, Jacques Emile Ruhlmann, Les Éditions Monelle Hayot, Paris, 2009, model reproduced with original sketch p. 504