This is a file from the Wikimedia Commons and may be used by other projects. Information from its description page there is shown below. Commons is a freely licensed media file repository.
Summary
DescriptionImperial Sword of the Holy Roman Empire.jpg
English: Imperial Sword of the Holy Roman Empire, displayed in the Imperial Treasury at the Hofburg Palace in Vienna, Austria
Date
Source
File:Reichsschwert mit Scheide.jpg (cropped and adusted the brightness and contrast)
Author
UrLunkwill
Licensing
I, the copyright holder of this work, hereby publish it under the following license:
to share – to copy, distribute and transmit the work
to remix – to adapt the work
Under the following conditions:
attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.