This file is from Wikimedia Commons and may be used by other projects.
The description on its file description page there is shown below.
Summary
Description1911 sketch of numerals script history ancient India, mathematical symbols shapes.jpg
English: The image shows the evolution of numeral shapes over time in ancient India. Please note that the subcontinent is large and the scripts for numerals vary regionally. The figures above are based on most well studied stone inscriptions dated to approximately as shown in the picture.
This is an annotated photograph of a 2D-Art published in 1911 from a personal copy of the book. The year of publication can be verified here on page 25 by David Smith (died 1944).
The image falls under PD-Art-100-70 guidelines. Any rights I have, I herewith donate it to wikimedia commons with Creative Commons 4.0 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.