English: Participants of the 1920 De Geer Swedish geological expedition to North America (left to right) Ragnar Lidén, Gerard De Geer, Ebba Hult De Geer, and Ernst Antevs (from De Geer, 1940).
This Swedish photograph is in the public domain in Sweden because one of the following applies:
The photograph does not reach the Swedish threshold of originality (common for snapshots and journalistic photos) and was created before 1 January 1974 (SFS 1960:729, § 49a).
The photograph was published anonymously before 1 January 1954 and the author did not reveal their identity during the following 70 years (SFS 1960:729, § 44).
For photos in the first category created before 1969, also {{PD-1996}} usually applies. For photos in the second category published before 1929, also {{PD-US-expired}} usually applies.
If the photographer died before 1954, {{PD-old-70}} should be used instead of this tag. If the author died before 1926, also {{PD-1996}} usually applies.