A caricature seal, a papal portrait, and a bronze bust of Bjørnstjerne Bjørnson. Three key works by Hans Stoltenberg Lerche in Bjørnson's home at Aulestad - Steen, Olaf (Acta ad Archaeologiam et Artium Historiam Pertinentia, 36 (N.S. 23) (2023), 2023)