This work is based on a work in the public domain. It has been digitally enhanced and/or modified. This derivative work has been (or is hereby) released into the public domain by its author, jebulon. This applies worldwide.
In some countries this may not be legally possible; if so:
jebulon grants anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.
Other versions
This is a retouched picture, which means that it has been digitally altered from its original version. Modifications: Crop, size. Cleaning of dust, dirt, spots tears and scratches due to age. Correction of levels (saturation, contrast). With GIMP.
This image has been assessed under the valued image criteria and is considered the most valued image on Commons within the scope: Louis Breguet, portrait photograph. You can see its nomination here.
Licensing
I, the copyright holder of this work, hereby publish it under the following license:
The person who associated a work with this deed has dedicated the work to the public domain by waiving all of their rights to the work worldwide under copyright law, including all related and neighboring rights, to the extent allowed by law. You can copy, modify, distribute and perform the work, even for commercial purposes, all without asking permission.
http://creativecommons.org/publicdomain/zero/1.0/deed.enCC0Creative Commons Zero, Public Domain Dedicationfalsefalse
For the original picture:
Public domainPublic domainfalsefalse
This work is in the public domain in its country of origin and other countries and areas where the copyright term is the author's life plus 100 years or fewer.