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.
The Imperial Portrait of Chinese Emperor called Daoguang. The Imperial Portrait of Chinese Emperor called Daoguang took this photograph from my own book Highshines PDChina Portraits of China Red headwear in art Daoguang Emperor
Page 2023 Free-images.com. All images are Public Domain