This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
The classical Chinese words of The fonts are Small Seal Script which come from cns gov tw jsp CNS Since the font styles are copied from the ancient Chinese book Shuowen Jiezi without innovation the character shapes are therefore in the public domain however the original Truetype ttf file is still copyrighted to clarify PDold