This image is in the public domain in countries and areas where the copyright term for anonymous or pseudonymous works is 70 years from the year of first publication or less, for example in the European Union.
Please give also an explanation why the work is in the public domain in its source country and in the United States. If this work was published after 1928 and it was not in the public domain in its source country on the URAA date (January 1, 1996 for most countries), use {{Not-PD-US-URAA}} in addition to this template.
For files in the public domain in the EU, please use {{PD-anon-70-EU}} (see the documentation).
Selleks et avaliku omandi teost saaks Commonsis hoida, peab selle autoriõiguse kehtivus olema lõppenud nii Ühendriikides kui ka päritoluriigis. Kui see ole Ühendriikide teos, siis peab selle juures olema ka autoriõiguse märgis, mis nätab, milline on teose autoriõiguslik staatus päritoluriigis.PD-USÜhendriikides avalikus omandis//commons.wikimedia.org/wiki/File:Halberstadt_CL_II_WW1_aircraft_left.jpg